This August 2015 artist's rendering provided by NASA/JPL-Caltech depicts the InSight Mars lander studying the interior of Mars. The spacecraft was scheduled to launch for Mars in March 2016 but NASA said Tuesday, December 22, that managers have suspended the launch because of an air leak in one of two prime science instruments, a seismometer which belongs to the French Space Agency. (Photo by NASA/JPL-Caltech via AP Photo)





In this Tuesday, December 22, 2015 photo, California Dept. of Fish and Wildlife biologist Dan Fidler, center, loads a black bear onto a pickup truck after tranquilizing it at the Orange Avenue Disposal in Fresno, Calif. The black bear crawled inside a trash compactor and took the ride of its life on a garbage truck, traveling about 65 miles to a dump in central California where it briefly ran free. (Photo by Craig Kohlruss/The Fresno Bee via AP Photo)





Victor Ferreira, who is displaced by flooding, rows his boat through the streets of his Jukyty neighborhood in Asuncion, Paraguay, Wednesday, December 23, 2015. The Paraguay River is at its highest level since 1984 and threatening the poor districts that surround the capital, forcing about 100,000 people to shelters. (Photo by Jorge Saenz/AP Photo)





A student dressed as a character from the movie Star Wars holds up a representation of Chile's constitution during a protest against the government to demand universal free education and changes in the education system in Santiago, Chile, December 22, 2015. The words on the book read “Chile's Imperial Constitution”. (Photo by Ivan Alvarado/Reuters)





A man carries his daughter on his shoulders during a procession to celebrate the birth of Prophet Mohammad in Benghazi, Libya, December 22, 2015. (Photo by Esam Omran Al-Fetori/Reuters)





Women talk while seated under images of Venezuela's late President Hugo Chavez, national hero Simon Bolivar (2nd R) and Venezuela's current President Nicolas Maduro (R), close to the National Assembly building that was in session in Caracas December 22, 2015. (Photo by Marco Bello/Reuters)





A woman gets into the waters on Leblon beach at Rio de Janeiro, Brazil, December 22, 2015. With the arrival of summer in the southern hemisphere, average daytime temperatures in Rio have reached into the mid-to-upper 38's Celsius (upper 100's Fahrenheit), local media reported. (Photo by Ricardo Moraes/Reuters)





People arrive for an appearance by Japan's Emperor Akihito at the Imperial Palace to mark his 82nd birthday in Tokyo, Japan, December 23, 2015. (Photo by Thomas Peter/Reuters)





Firefighters look at a hen which was rescued from the debris of a collapsed building after a landslide hit an industrial park on Sunday, in Shenzhen, Guangdong province, China, December 23, 2015. (Photo by Reuters/Stringer)





A rescuer sits in the bucket of an excavator as he searches for survivors at the site of a landslide which hit an industrial park on Sunday in Shenzhen, Guangdong province, China, December 22, 2015. (Photo by Reuters/Stringer)





A woman (3rd L), who is a relative of several missing people, cries at the site of a landslide which hit an industrial park on Sunday in Shenzhen, Guangdong province, China, December 22, 2015. (Photo by Reuters/Stringer)





Rescuers rest on mud as excavators dig through the debris to search for survivors at the site of a landslide which hit an industrial park on Sunday, in Shenzhen, Guangdong province, China, December 22, 2015. (Photo by Reuters/Stringer)





Excavators are seen during rescue operations at an industrial estate hit by a landslide in Shenzhen, Guangdong province, December 23, 2015. (Photo by Kim Kyung-Hoon/Reuters)





A worker adds charcoal over an open oven to roast the skewered pigs in La Loma, Quezon city, Metro Manila December 23, 2015. Lechon, a Filipino delicacy referring to a roasted pig, is a popular dish in the Philippines and is usually served during festivals and holiday celebrations. (Photo by Romeo Ranoco/Reuters)





A worker uses a candle to seer off the hairs of a lechon on display at a shop in La Loma, Quezon City, Metro Manila December 23, 2015. (Photo by Romeo Ranoco/Reuters)





A worker puts skewered lechons on display in front of a shop in La Loma Loma, Quezon city, Metro Manila December 23, 2015. (Photo by Romeo Ranoco/Reuters)





A cotton picker is at work during this year's harvest in Karakalpakstan, Uzbekistan in this October 2015 photo courtesy of Anti-Slavery International released to Reuters on December 18, 2015. International monitors and human rights groups say up to a million Uzbek citizens are forced to pick cotton each year during the annual harvest. (Photo by Simon Buxton/Reuters/Anti-Slavery International)





A giant inflatable Santa Claus is set up on a glass bridge during a promotional event to celebrate the upcoming Christmas, at Shiniuzhai tourist resort in Yueyang, Hunan province, China, December 23, 2015. (Photo by Reuters/Stringer)





Tourists look at a 10-meter-tall Santa Claus on the 180-meter-high and 300 meter-long glass-bottomed suspension bridge at the Shiniuzhai National Geopark in Pingjiang county. A 10-meter-tall Santa Claus appeared on the 180-meter-high glass-bottomed suspension bridge that sits 180 meters above the ground at the Shiniuzhai National Geopark in Pingjiang county, in central China's Hunan province on Wednesday, December 23, 2015. (Photo by Imaginechina/Splash News)





A passenger sits beside a railway as she waits for her train at the Tanjung Priok train station, two days after it was reopened, according to local media, in Jakarta, Indonesia December 23, 2015. (Photo by Reuters/Beawiharta)





The Peter Pan sculpture is seen outside Great Ormond Street hospital, central London December 22, 2015. A new Peter Pan movie shows Tinker Bell speaking in chime tones and Captain Hook as a “psychopath”, but its biggest innovation is being filmed in the London hospital that owns the rights to the children's classic. (Photo by Cathal McNaughton/Reuters)





A Belgian Federal Police drone is seen in front of a helicopter on the airfield in Brasschaat, near Antwerp, Belgium, December 23, 2015. The first drone to be used by Belgian Federal Police can fly with 135 km/h, up to 2km high and will be deployed to watch over crime scenes, respond to threats, and look for missing people, according to Belgian Federal Police. (Photo by Francois Lenoir/Reuters)





Children walk with protective masks on the street as smog blankets Sarajevo, Bosnia and Herzegovina December 23, 2015. With severe air pollution affecting the city nestled among the mountains, the authorities have declared the first level of preparedness, advising the segment of the population that is at health risk to reduce movement in the mornings and evenings, appealing to drivers to use motor vehicles less and ordering heating utilities to lower the emission of harmful gases. (Photo by Dado Ruvic/Reuters)





Migrant workers are seen during a police inspection at the pier of Songkhla, south Thailand December 23, 2015. Thailand said this week seafood exports to the United States, Europe and Australia have not been hit by reports of slavery and forced labour by campaign groups and media. (Photo by Surapan Boonthanom/Reuters)





Police officers stand on a fishing boat during a police inspection at the pier of Songkhla, south Thailand December 23, 2015. (Photo by Surapan Boonthanom/Reuters)





Migrant workers cut fish during a police inspection at the pier of Songkhla, south Thailand December 23, 2015. (Photo by Surapan Boonthanom/Reuters)





Members of a Lebanese Sufi Muslim group play traditional instruments as they perform during a ritual to commemorate the birth of Prophet Mohammad inside a souk at the port city of Sidon, southern Lebanon December 23, 2015. (Photo by Ali Hashisho/Reuters)





A Mexican guest worker waits for the opening of the Halifax County Fair in South Boston, Virginia, October 6, 2015. (Photo by Carlos Barria/Reuters)





Houthi militant stands guard as supporters of the Houthi movement sit during a rally marking the birth anniversary of the Prophet Mohammed in Yemen's capital Sanaa, December 23, 2015. (Photo by Khaled Abdullah/Reuters)





A supporter of the Houthi movement drinks water as he attends a rally marking the birth anniversary of the Prophet Mohammed in Yemen's capital Sanaa, December 23, 2015. (Photo by Khaled Abdullah/Reuters)





Workers wave as they clean the windows of a building dressed of Santa Claus in Vina del Mar city, Chile December 23, 2015. (Photo by Rodrigo Garrido/Reuters)





Contingents from Oyo state are seen on parade during the Calabar cultural festival in Calabar, Nigeria December 22, 2015. (Photo by Reuters/Stringer)





Contingents from Akwa Ibom state are seen on parade during the Calabar cultural festival in Calabar, Nigeria December 22, 2015. (Photo by Reuters/Stringer)





Riot police throw water at students during a demo in demand of free state universities and for the quality of public education in Santiago, on December 22, 2015. (Photo by Claudio Reyes/AFP Photo)





A Hong Kong Vegetarian Society activists lies on a giant plate alongside oversized peas, carrots and cutlery during a protest rally in the tourist district of Tsim Sha Tsui, Hong Kong, China, 23 December 2015. The activists urged passers-by to extend the holiday spirit to animals and to give thoughts to the cruelty inflicted on animals in meat productions. (Photo by Jerome Favre/EPA)





Students participate in a rally demanding a better and free education system, called by the Chilean Students Confederation (CONFECH) in Santiago de Chile, Chile, 22 December 2015. (Photo by Elvis Gonzalez/EPA)





A U.S. service member salutes her fallen comrades during a memorial ceremony for six Airmen killed in a suicide attack, at Bagram Air Field, Afghanistan on Wednesday, December 23, 2015. The deadliest attack in Afghanistan since 2013 killed six U.S. troops on Monday, including a family man from Long Island, New York; a South Texan; a New York City police detective; a Georgia high school and college athlete; an expectant father from Philadelphia; and a major from suburban Minneapolis with ties to the military's LGBT community. They were killed when their patrol was attacked by a suicide bomber on a motorcycle near Bagram Air Base, the Defense Department said. (Photo by Tech. Sgt. Robert Cloys/U.S. Air Force via AP Photo)





Lebanese boys look at a Muslim Sufi who pierced his cheek with metal during a religious ritual to mark Prophet Muhammad's birthday, in the southern port city of Sidon, Lebanon, Wednesday, December 23, 2015. (Photo by Mohammed Zaatari/AP Photo)





John Comey holds a chuckwalla lizard while Richard Ritchey places another chuckwall on his head at the Springfield Public Library, Tuesday, December 22, 2015, in Springfield, Ore. Ritchey brought his menagerie of snakes, lizards and alligators for two shows that allowed children to get a close up look at the world of reptiles. (Photo by Brian Davies/The Register-Guard via AP Photo)





Workers polish a snow sculpture ahead of the annual Harbin International Ice and Snow Festival, in Harbin, Heilongjiang province, China, in this December 22, 2015 picture. (Photo by Sheng Li/Reuters)





In this Tuesday, December 22, 2015 photo, a man works on an ice sculpture at the Ice and Snow World during a soft opening of the exhibit in Harbin in northeastern China's Heilongjiang province. The annual collection of snow and lighted ice sculptures is a major tourist draw to the city during the winter months. (Photo by Chinatopix via AP Photo)





Visitors tour the Ice and Snow World in Harbin in northeastern China's Heilongjiang province on Tuesday December 22, 2015, the night of the soft opening of the annual tourist attraction. (Photo by Chinatopix via AP Photo)





French police officers and a French soldier patrol near a Santa Claus model, in a street in Nice, southeastern France, Wednesday, December 23, 2015. France's interior minister says the government will tighten security around Christmas, amid continued concerns about potential extremist violence after deadly attacks last month. (Photo by Lionel Cironneau/AP Photo)





In this photo taken Tuesday, December 22, 2015, a snowman figure shows the way to a ski and snowboard rental next to snowless slopes in Willingen, central Germany. The December weather in Germnay is unusal warm with temperatures above 10 degrees Celsius (50 Fahrenheit). (Photo by Uwe Zucchi/DPA via AP Photo)





Two dogs wearing a coat stroll by a man relaxing in the sun in Rome's Villa Borghese park, Wednesday, December 23, 2015. Temperatures have been unseasonably warm across many parts of Europe in the past few days, and temperatures in Athens were expected to reach 17 degrees Celsius (63 Fahrenheit) on Wednesday. (Photo by Alessandra Tarantino/AP Photo)