This undated picture released from North Korea's official Korean Central News Agency on June 30, 2014 shows North Korean leader Kim Jong-Un inspecting a tactical rocket firing drill by the Korean People's Army Strategic Force at an undisclosed place in North Korea. (Photo by AFP Photo/KCNA via KNS)

Greek fans react as they watch a live broadcast of Greece's 2014 World Cup soccer match against Costa Rica, in Athens June 30, 2014. Greece's World Cup exit in the round of 16 on Sunday came as no real surprise after they again struggled for goals in a major international tournament, netting only three time in four games. (Photo by Yorgos Karahalis/Reuters)

Members of the Iraqi Special Operations Forces (ISOF) prepare before going out on a patrol in the town of Jurf al-Sakhar, south of Baghdad, June 30, 2014. Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit on Monday after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. Alarming regional and world powers, the Islamic State of Iraq and the Levant (ISIL) claimed universal authority when it dropped the local element in its name and said its leader Abu Bakr al-Baghdadi, as leader of the Islamic State, was now caliph of the Muslim world – a medieval title last widely recognised in the Ottoman sultan deposed 90 years ago after World War One. (Photo by Alaa Al-Marjani/Reuters)

A worker carries sacks of rice while unloading inside the National Food Authority (NFA) warehouse in Taguig city, south of Manila July 3, 2014. The Philippines, one of the world's biggest rice importers, is buying an additional 200,000 tonnes from Vietnam, the world's No. 2 supplier after India, to stabilise local retail prices that have surged more than 20 percent from last year due to tight supply, local media reported. (Photo by Romeo Ranoco/Reuters)

A girl wearing a faeces-shaped hat prepares to slide down into a five-metre (16.4-ft) toilet at an exhibition titled “Toilet!? Human Waste and Earth's Future” at the Miraikan National Museum of Emerging Science and Innovation in Tokyo July 3, 2014. The exhibition, which opened at the museum on Wednesday, explores the world of toilets, with the main exhibit centring around a massive toilet into which visitors are allowed to slide to simulate the journey of human waste matter into the sewers. The exhibit also includes five zones that range from showing exactly what one's excrement is made of to how different types of toilets are used around the world, and even a possible space toilet that could be used to grow plants. The exhibit is open until October 5 and costs 1,200 yen ($11.80) to visit. (Photo by Issei Kato/Reuters)

A cadet candidate for the U.S. Military Academy at West Point class of 2018 is measured for clothing during Reception Day in West Point, New York July 2, 2014. During Reception Day, the new cadets begin the process of becoming West Point cadets and future U.S. Army officers. They undergo administrative processing, fittings for their initial issue of military clothing, receive haircuts, medical and physical evaluations and begin their first lessons in marching, military courtesy and discipline. (Photo by Shannon Stapleton/Reuters)

Members of cheerleading team CHEER SF soar above Market Street during the San Francisco Gay Pride Festival in California June 29, 2014. (Photo by Noah Berger/Reuters)

Kashmiri women offer prayers on a stairway outside a Muslim shrine during the holy month of Ramadan in Srinagar, India, Monday, June 30, 2014. Muslims across the world are observing the holy fasting month of Ramadan, where they abstain from food, drink and other pleasures from sunrise to sunset. (Photo by Mukhtar Khan/AP Photo)

An employe of Russian Space Training Center hangs out to dry space suits of Russian cosmonaut Anatoly Ivanishin, NASA's U.S. flight engineer Kathleen Rubins, and Japanese space agency's flight engineer Takuya Onishi, right, after their undergoing training near in Noginsk, 60 km (38 miles) east of Moscow, Russia, Wednesday, July 2, 2014. The training was intended to simulate the capsule landing on water. Russian cosmonaut Anatoly Ivanishin, Japanese space agency's flight engineer Takuya Onishi, and NASA's U.S. flight engineer Kathleen Rubins are being trained for a future mission to the International Space Station. (Photo by Alexander Zemlianichenko/AP Photo)

A man dressed to mock Toronto Mayor Rob Ford takes part in the “WorldPride” gay pride Parade in Toronto June 29, 2014. Toronto is hosting WorldPride, a week-long event that celebrates the lesbian, gay, bisexual and transgender (LGBT) community. (Photo by Mark Blinch/Reuters)

A craftsman (back) adjusts the headwear on a young girl for a local folk performance, on the outskirts of Hohhot, Inner Mongolia Autonomous Region, June 29, 2014. (Photo by Reuters/Stringer)

This picture taken on June 29, 2014 shows children playing with algae on a beach in Qingdao, east China's Shandong province as another round of algae growth hit the waters off the city. Authorities in Qingdao has been dealing with huge growth of algae for seven years in a row ever since 2008, with the largest bloom – covering an area of 28,900 square kilometres (7,500 square miles) – appearing in 2013. (Photo by AFP Photos/Stringer)

Hair artist and master barber Rob Ferrel (L), known as “Rob the Original”, cuts the likeness of Argentine soccer player Lionel Messi on the head of customer Vincent Hernandez, ahead of tomorrow's World Cup match between Argentina and Switzerland at his barbershop in San Antonio, Texas June 30, 2014. (Photo by Ashley Landis /Reuters)

Indian policemen use batons to disperse youth wing workers of India's ruling Bharatiya Janata Party (BJP) during a protest outside the state assembly in the northern Indian city of Lucknow June 30, 2014. Hundreds of workers on Monday protested against the state government over what they say, deteriorating law and order situation in the Uttar Pradesh state, local media reported. (Photo by Pawan Kumar/Reuters)

A protester is carried away by police officers from a street after staying overnight at Hong Kong's financial Central district, on Jule 1, 2014. (Photo by Bobby Yip/Reuters)

Workers assemble a 30-foot-tall homemade “Transformers” replica on the outskirts of Shanghai, on June 30, 2014. Li Lei, owner of a small factory, builds “Transformers” replicas for rent or sale. The new Transformers movie has brought the factory many new orders, according to Li. (Photo by Reuters/China Daily)

Fabien Cousteau is pictured swimming outside the marine laboratory Aquarius in this undated handout photo obtained by Reuters on July 2, 2014. Cousteau, grandson of famed French oceanographer Jacques Cousteau, emerged from the turquoise waters off the Florida Keys on July 2, 2014 morning, marking the end of a record-breaking, 31-day stay in an underwater habitat with a team of scientists and documentary filmmakers. The younger Cousteau, 46, along with two “aquanauts”, took the 60-foot (18-meter) dive to Aquarius, a 43-foot-long (18-meter-long) laboratory resting off of Key Largo, on June 1 following years of preparation and delay. (Photo by Kip Evans/Reuters/Mission Blue)

Elizabeth Cring checks her zombie makeup in a mirror as her friend JD Valentine eats french fries before the start of the “Zombie Takeover of Coney Island” at Coney Island in the Brooklyn borough of New York July 2, 2014. (Photo by Carlo Allegri/Reuters)

A nun from the enclosed monastery of Imaculada Conceicao celebrates a goal by Brazil during the 2014 World Cup quarter-final soccer match between Brazil and Colombia in Piratininga, in the state of Sao Paulo July 4, 2014. (Photo by Nacho Doce/Reuters)

A 21-foot crocodile robot “Longlong” is strapped on top of a van, as it is transported through the main road to Crocodile Park in Pasay city, metro Manila July 5, 2014. The robot, inspired by Lolong, the largest saltwater crocodile to have been in captivity, contains thousands of mechanisms costing around 80,000 pesos ($1,818) and took three months to build by robot experts. (Photo by Romeo Ranoco/Reuters)

A protester is handcuffed and placed in a police car after a scuffle broke out before the possible arrivals of undocumented migrants who may be processed at the Murrieta Border Patrol Station in Murrieta, California July 4, 2014. Residents of the Southern California town confronted their mayor on Wednesday over the arrival of Central American migrants for processing after they slipped across the Mexico border into Texas, extending an influx that has swamped authorities there. (Photo by Sam Hodgson/Reuters)