A person surfs at the Wedge in Newport Beach, Calif., Monday, May 4, 2015. (Photo by Mindy Schauer/AP Photo/The Orange County Register)

Sarah Amiri, Deputy Project Manager of a planned United Arab Emirates Mars mission talks about the project named “Hope” – or “al-Amal” in Arabic – which is scheduled be launched in 2020, during a ceremony in Dubai, UAE, Wednesday, May 6, 2015. It would be the Arab world's first space probe to Mars and will take seven to nine months to reach the red planet, arriving in 2021. Emirati scientists hope the unmanned probe will provide a deeper understanding of the Martian atmosphere, and expect it to remain in orbit until at least 2023. (Photo by Kamran Jebreili/AP Photo)

A soldier of the South Korean army special forces endures the pain as his fellow soldier breaks stone plates held by him by kicking during a martial arts demonstration for Children's Day at the War Museum in Seoul, Tuesday, May 5, 2015. May 5 is celebrated as Children's Day, a national holiday, in South Korea. (Photo by Ahn Young-joon/AP Photo)

A sculptor makes a sand sculpture devoted to the WW II victory in Minsk on May 3, 2015. Belarus will celebrate the end of WW II on May 9. (Photo by Sergei Gapon/AFP Photo)

The corner of the dead, a santeria arrangement which consists of the Eggun slate and the pot of the dead stands in the home of Cuban santero Dagoberto Bocourt Miranda in Havana, Cuba, Thursday, May 7, 2015. The Eggun represents a person who was close to the santero in life and who has died. Each santero's house has a dead man's corner where the departed are remembered and sacrifices with the blood of animals are made in their honor. (Photo by Desmond Boylan/AP Photo)

A guest prays in front of an alter at the home of Cuban santero Dagoberto Bocourt Miranda during a ceremony for the Afro-Cuban deity Yemaya in Havana, Cuba, Thursday, May 7, 2015. The woman prays for good health as well as for the good health of the santero priest. Afro-Cuban santeria is a fusion of African beliefs and Catholicism developed by African yoruba slaves in Cuba. (Photo by Desmond Boylan/AP Photo)

Money is placed on a plate beside an altar for the Afro-Cuban deity Yemaya at the home of Cuban santero Dagoberto Bocourt Miranda during a ceremony in Havana, Cuba, Thursday, May 7, 2015. The money is placed on the plate and the maraca is shaken while the person asks Yemaya for a wish. (Photo by Desmond Boylan/AP Photo)

Musicians play drums in front of an altar during a santeria ceremony for the Afro-Cuban deity Yemaya in Havana, Cuba, Thursday, May 7, 2015. Afro-Cuban santeria is a fusion of African beliefs and Catholicism developed by African yoruba slaves in Cuba. (Photo by Desmond Boylan/AP Photo)

A woman looks at the paintings “Frederick the Wise” (L-R), “John the Constant”, and “John the Magnanimous” by Lucas Cranach the Elder at the exhibition 'Cranach in Weimar' in the Schiller Museum in Weimar, Germany, May 7, 2015. The exhibition has been open from 03 April and can be seen until 14 June. (Photo by Martin Schutt/EPA)

Friends and relatives say goodbye to volunteers being sent to the eastern part of Ukraine to join the ranks of special battalion “Azov” fighting against pro-Russian separatists, in Kiev, Ukraine, Thursday, May 7, 2015. Five Ukrainian government troops battling separatist forces in the east have been killed in one of the worst single days of bloodshed since a cease-fire was declared in February, military officials said Wednesday. (Photo by Sergei Chuzavkov/AP Photo)

Friends and relatives say goodbye to volunteers being sent to the eastern part of Ukraine to join the ranks of special battalion “Azov” fighting against pro-Russian separatists, in Kiev, Ukraine, Thursday, May 7, 2015. (Photo by Sergei Chuzavkov/AP Photo)

A woman lifts her hands up in front of the police during a protest in front of the Government building in Skopje Macedonia, on Tuesday, May 5, 2015. Macedonia's opposition leader has accused the country's prime minister of attempting to cover up the 2011 death of a 22-year-old who was beaten by police during post-election celebrations. More than 1,000 people gathered later Tuesday in front of the government building to protest the murder of the young conservative supporter. (Photo by Boris Grdanoski/AP Photo)

Protestors take a selfie in front of a police cordon during a demonstration in front of the Government building in Skopje Macedonia, on Tuesday, May 5, 2015. (Photo by Boris Grdanoski/AP Photo)

A police officer tries to help an injured colleague after clashes with protesters at a protest in Skopje Macedonia, late Tuesday, May 5, 2015. Violent clashes broke out late Tuesday at a demonstration in the Macedonian capital Skopje protesting the 2011 death of a 22-year-old beaten by police during post-election celebrations. The violence came hours after Macedonia's opposition leader accused the country's prime minister of attempting to cover up the death of Martin Neskoski. (Photo by Vangel Tanurovski/AP Photo)

Protesters offer flowers to police in fromt of the Macedonian parliament in Skopje, Macedonia May 7, 2015. Several hundred people demanded the resignation of Prime Minister Nikola Gruevski, who stands accused by the top opposition leader of trying to cover up the death of a 22-year-old man who was beaten to death by a police officer during a post-election celebration in 2011. (Photo by Ognen Teofilovski/Reuters)

In this May 4, 2015 photo, people waiting for help stand on a truck caught in high water near a drive-in in Manhattan, Kan. A number of cars were stranded or nearly covered by flood waters Monday after heavy rain and thunderstorms hit Manhattan. (Photo by Megan Moser/AP Photo/The Mercury)

Friends and relatives of Jean Claude Niyonzima, who was killed during clashes with police over the move by President Pierre Nkurunziza to seek a third term in office, take pictures during his burial ceremony outside Bujumbura, Burundi, Saturday May 2, 2015. Many people have gathered in the streets over the past few days to protest against President Pierre Nkurunziza's decision to run for election as president for a third term in office. (Photo by Jerome Delay/AP Photo)

China's Shang Chunsong chalks the uneven bars before she competes at the Gymnastic World Challenge 2015 in Sao Paulo, Brazil, Saturday, May 2, 2015. (Photo by Andre Penner/AP Photo)

A catfish and a car are stranded on Gregg Lane after heavy rains caused flooding, Wednesday May 6, 2015, in Manor, Texas. (Photo by Jay Janner/AP Photo/Austin American-Statesman)

An Emirati girl wears a traditional outfit, worn in her village by elderly women, during the al-Gharbia Watersports festival poses near al-Mirfa beach, outside Abu Dhabi, on May 2, 2015. (Photo by Karim Sahib/AFP Photo)

Swiss pilot Andre Boschberg speaks to journalists near the aircraft Solar Impulse 2 at the airport in Nanjing in east China's Jiangsu province Monday, May 4, 2015. Borschberg, 62, is due to fly over the Pacific Ocean for five days and five nights in the plane that has more than 17,000 solar cells on its wings to power its motors and recharge its batteries for nighttime flying. (Photo by Chinatopix via AP Photo)

An owl stands on the pitch during a Copa Libertadores soccer match between Brazilian teams Sao Paulo FC and Cruzeiro in Sao Paulo, Brazil, Wednesday, May 6, 2015. (Photo by Andre Penner/AP Photo)

Riders race with their donkeys during the annual donkey festival in Otumba, near Mexico City, May 1, 2015. Villagers from Otumba have held their festival honoring the donkey, which includes donkey races, donkey rodeos and the best-costumed donkey competition. (Photo by Henry Romero/Reuters)

Residents walk beside a donkey dressed as “El Chapulin Colorado”, a character by late Mexican screenwriter Roberto Gomez Bolanos , during the annual donkey festival in Otumba, near Mexico City, May 1, 2015. (Photo by Henry Romero/Reuters)

People wearing donkeys masks take part in the annual donkey festival in Otumba, near Mexico City, May 1, 2015. (Photo by Henry Romero/Reuters)

Riders race with their donkeys during the annual donkey festival in Otumba, near Mexico City, May 1, 2015. (Photo by Henry Romero/Reuters)

Takahiro Ao of Japan goes down in the second round against Ray Beltran of Mexico during their 12-round bout for the vacant World Boxing Organization (WBO) lightweight world championship title in Las Vegas, Nevada May 1, 2015. (Photo by Steve Marcus/Reuters)

Baker Zach Yonson (R) and an assistant put finishing touches on a life-size 70-kg chocolate cake of local boxing icon Manny Pacquiao at a restaurant in Manila, Philippines May 2, 2015. From air-conditioned corporate boardrooms to steamy public gymnasiums, Filipinos are counting down the hours to Pacquiao's fight with undefeated American Floyd Mayweather Jr. in Las Vegas. The world welterweight championship bout, which is being called the “fight of the century”, will bring the country to a standstill on Sunday and mark a rare period of unity for the poor Southeast Asian nation. The Pacquiao cake, which took two weeks to make, went on display on Saturday in Manila and slices will be given away after the bout. (Photo by Erik De Castro/Reuters)

Filipino boxing icon Manny Pacquiao's old worn out gloves is shownby Pacquiao's uncle Zardo Mejia, during an interview with Reuters in General Santos city, Philippines May 2, 2015. (Photo by Jayalmes Ereno/Reuters TV)

A tourist gets her picture clicked in front of a collapsed house, after the Saturday's earthquake, in Kathmandu, May 2, 2015. (Photo by Adnan Abidi/Reuters)

People walk past a collapsed temple following last week's earthquake at Khokana in Lalitpur, Nepal, May 2, 2015. (Photo by Danish Siddiqui/Reuters)

A woman from Sindhupalchok district holds her granddaughter as she sells vegetables along the streets of Bhaktapur after last week's earthquake 2 May 2015. According to the woman, her house was destroyed during the earthquake. (Photo by Navesh Chitrakar/Reuters)

An indian military personnel and earthquake survivors unload relief supplies from an Indian Army helicopter near Sirdibas, Nepal May 2, 2015. (Photo by Athit Perawongmetha/Reuters)

Earthquake survivors unload relief supplies from an Indian Army helicopter near Sirdibas, Nepal May 2, 2015. (Photo by Athit Perawongmetha/Reuters)

A girl from the Nepalese community holds a candle during a candlelight vigil in remembrance of the victims of the earthquake that devastated parts of Nepal a week ago, in Hong Kong, China May 2, 2015. (Photo by Tyrone Siu/Reuters)

A woman from the Nepalese community cries during a candlelight vigil to mourn of the victims of the earthquake that devastated parts of Nepal a week ago, in Hong Kong, China May 2, 2015. (Photo by Tyrone Siu/Reuters)

A boy lights a candle during a candle light vigil to remember the victims of last week's earthquake in Kathmandu, Nepal 2 May 2015. (Photo by Navesh Chitrakar/Reuters)

Earthquake victims walk along a street next to collapsed houses in Sankhu, on the outskirts of Kathmandu, May 2, 2015. Bureaucracy at Kathmandu airport was holding up vital relief supplies for survivors of the April 25 earthquake in Nepal as the death toll from the disaster passed 6,600. (Photo by Adnan Abidi/Reuters)

An earthquake victim walks past a collapsed temple in Sankhu, on the outskirts of Kathmandu, May 2, 2015. (Photo by Adnan Abidi/Reuters)

Reshmila, 8, (R) and Shamjana, 5, throw debris as they play at the site of their collapsed house after an earthquake in a village in Sindhupalchowk, Nepal, May 2, 2015. (Photo by Danish Siddiqui/Reuters)

Shamjana, 5, (R) and Reshmila, 8, pick up rubble as they play at the site of their collapsed house after an earthquake in a village in Sindhupalchowk, Nepal, May 2, 2015. (Photo by Danish Siddiqui/Reuters)

A Nepalese Hindu woman lights a lamp in front of portraits of Chanchala Shreshta, left, and Parbati Shreshta, both victims of last week's earthquake, in Kathmandu, Nepal, Saturday, May 2, 2015. The magnitude-7.8 earthquake killed thousands of people and the U.N. has estimated the quake affected 8.1 million people, more than a fourth of Nepal's population of 27.8 million. (Photo by Bernat Amangue/AP Photo)

A Nepalese woman offers morning prayers at a temple damaged in last Saturday's earthquake in Bhaktapur, Nepal, Saturday, May 2, 2015. A week after the devastating earthquake, life is limping back to normal in Nepal with residents visiting temples on the first Saturday after the quake, a day normally reserved for temple visits. (Photo by Bernat Amangue/AP Photo)

A Nepalese woman sits with her son near their house, destroyed in last week's earthquake, in Pauwathok village, Sindhupalchok district, Nepal, Saturday, May 2, 2015. Life has been slowly returning to normal in Kathmandu, but to the east, angry villagers in parts of the Sindhupalchok district said Saturday they were still waiting for aid to reach them. In the village of Pauwathok, where all but a handful of the 85 houses were destroyed, three trucks apparently carrying aid supplies roared by without stopping. (Photo by Manish Swarup/AP Photo)

Elderly Nepalese visit a temple in Bhaktapur, Nepal, Saturday, May 2, 2015. A week after the devastating earthquake, life is limping back to normal in Nepal with residents visiting temples on the first Saturday after the quake, a day normally reserved for temple visits. (Photo by Bernat Amangue/AP Photo)

In this Thursday, April 30, 2015 photo, a man looks at a Buddhist God statue inside a monastery near the famous Swayambhunath stupa after it was damaged in the April 25 massive earthquake in Kathmandu, Nepal. Swayambhunath, which dates back to the 5th century, is one of at least 68 cultural heritage sites in Nepal that were damaged by the earthquake. (Photo by Niranjan Shrestha/AP Photo)

In this Thursday, April 30, 2015 photo, a man walks through the famous Swayambhunath stupa after it was damaged in the April 25 massive earthquake in Kathmandu, Nepal. (Photo by Niranjan Shrestha/AP Photo)

Pigeons fly as a bull sits at the damaged Basantapur Durbar Square in Kathmandu, Nepal, Saturday, May 2, 2015. (Photo by Niranjan Shrestha/AP Photo)

This Thursday, April 30, 2015 photo, shows a view of the famous Swayambhunath stupa after it was damaged in the April 25 massive earthquake in Kathmandu, Nepal. (Photo by Niranjan Shrestha/AP Photo)

A Nepalese truck with a Red Cross flag drives through the streets of Kathmandu, Nepal, Sunday, May 3, 2015. With monsoon rains expected in a few weeks, Nepal has pleaded with donors to send tents and temporary shelters for earthquake victims who have been living in the open for more than a week, with their homes damaged by the April 25 quake. (Photo by Bernat Amangue/AP Photo)

A temple, right, in an area that was damaged a week ago during the earthquake in Bhaktapur, Nepal, Sunday, May 3, 2015. The true extent of the damage from the April 25 earthquake is still unknown as reports keep filtering in from remote areas, some of which remain entirely cut off. The U.N. says the quake affected 8.1 million people – more than a quarter of Nepal's 28 million people. (Photo by Bernat Amangue/AP Photo)

Nepalese resident Nomita Khadka leans on her crutches as she looks at the remains of her home in Kathmandu on May 1, 2015. Nomita escaped with only a twisted ankle after a devastating earthquake hit the Himalayan nation on May 25. Desperate survivors living at ground zero of Nepal's earthquake felt abandoned to their fate after losing their loved ones and livelihoods in a disaster that has claimed more than 6,300 lives. (Photo by Roberto Schmidt/AFP Photo)

People walk past debris on May 3, 2015 in Bhaktapur, Nepal. A major 7.8 earthquake hit Kathmandu mid-day on Saturday, and was followed by multiple aftershocks that triggered avalanches on Mt. Everest that buried mountain climbers in their base camps. (Photo by David Ramos/Getty Images)

A Nepalese soldier stands next to damaged buildings in Durbar Square, a UNESCO world heritage site that was badly damaged by the earthquake, in Kathmandu on May 3, 2015, following a 7.8 magnitude earthquake which struck the Himalayan nation on April 25. The death toll from an earthquake that ripped through Nepal will climb “much higher”, the government warned May 3, as relief teams raced to reach survivors of the disaster that has already claimed more than 7,000 lives. (Photo by Menahem Kahana/AFP Photo)

A man rebuilds his house destroyed by last week's earthquake near Dhunche, Nepal, May 3, 2015. (Photo by Olivia Harris/Reuters)