Iguazu Falls in Puerto Iguazu, Argentina, on June 9, 2014. The park was forced to close after torrential rainfall in Brazil caused the Iguazu and Parana rivers to rise to historic levels, forcing authorities to open two major hydroelectric dams above the falls, where the water flow increased nearly 30-fold. The park's viewing areas were closed to tourists and employees removed walkways that would otherwise be destroyed. #

A soldier from the royal guard lies on the ground after fainting during guests arrival for Princess Leonore's christening at the Royal Chapel in Drottningholm's royal palace near Stockholm, Sweden, on June 8, 2014. #

A young Israeli girl walks in the playa during Israel's first Midburn festival, modeled after the popular Burning Man festival held annually in the Black Rock Desert of Nevada, in the desert near the Israeli kibbutz of Sde Boker. Some came costumed in cape or corset. Others, from babies to grandparents, went nude. Participants brought their own food and water, and shared with others. The only thing on sale was ice because of the scorching heat. #

Papier-mache pandas, created by French artist Paulo Grangeon, displayed in the arrival hall of the Hong Kong airport on June 9, 2014. The installation arrived in the city on Monday, launching the month-long "1600 Pandas World Tour in Hong Kong: Creativity meets Conservation". #

A picture taken on May 3, 2014, (released June 12), shows people visiting "The Gateway to Hell," a huge burning gas crater in the heart of Turkmenistan's Karakum desert. The fiery pit was the result of a simple miscalculation by Soviet scientists in 1971 after their boring equipment suddenly drilled through into an underground cavern and a deep sinkhole formed. Fearing that the crater would emit poisonous gases, the scientists took the decision to set it alight, thinking that the gas would burn out quickly and this would cause the flames to go out. But the flames have not gone out in more than 40 years. #

Fire illuminates the sky above the Jinnah International Airport in Karachi where security forces fought with attackers in Pakistan on June 8, 2014. Gunmen disguised as police guards attacked a terminal with machine guns and a rocket launcher during a five-hour siege that killed a number of people as explosions echoed into the night. #

Leila de Matos holds her cat, Yandu, as it wears a Brazilian flag hat on Copacabana beach while they await the start of the World Cup tournament on June 11, 2014 in Rio de Janeiro. #

A member of a guard of honor stretches his leg as he and his comrades prepare for a welcome ceremony for visiting Italian Prime Minister Matteo Renzi held outside the Great Hall of the People in Beijing, China on June 11, 2014. #

Tourists ride a boat among mayflies (Palingenia longicauda) on the Tisa river near the Serbian town of Kanjiza, on June 11, 2014. Large numbers of Palingenia longicauda larvae hatch and mature during a week in mid June. This natural phenomenon is known as the 'blooming of the Tisa' or 'Tisa blooming' and is a tourist attraction. #

A police officer displays a pair of glasses with a hidden camera and a tiny receiver attached to a coin, equipment used to cheat on exams, confiscated by the police in Shenyang, Liaoning province, China. Chinese authorities vowed harsh treatment for organizing or helping cheating in the national college entrance exam, which took place on June 7 and 8 this year. Education and police authorities will continue to investigate crimes including stealing and selling examination papers, leaking information to exam sitters, providing equipment designed for cheating, and cyber attacks on exam websites. #

A hot air balloon in the likeness of Brazil's Christ The Redeemer statue, wearing the colors of Australia's soccer team floats over the Melbourne skyline on June 10, 2014. #

People sit on sofas to watch the opening game of the 2014 World cup between Brazil and Croatia, during a public viewing event at the Alte Foersterei stadium in Berlin on June 12, 2014. #

A butcher throws the severed head of a sacrificial sheep during the religious holiday "Lomisoba" in the village of Mleta north of Tbilisi, on June 11, 2014. The holiday, which is a mix of pagan and Christian traditions, is celebrated annually by residents of the Eastern Georgian mountains. #

Pallbearers carry the casket of one of three Royal Canadian Mounted Police officers who were killed the previous week, during a regimental funeral in Moncton, New Brunswick, on June 10, 2014. Justin Bourque, 24, was charged with murder in the slayings of the three Royal Canadian Mounted Police officers, Constables Fabrice Georges Gevaudan, 45; David Joseph Ross, 32, and Douglas James Larche, 40, during a shooting spree in the eastern Canadian city of Moncton. The shooting spree was one of the worst of its kind in Canada, where gun laws are stricter than in the United States and deadly attacks on police are rare. #

Indian rescue workers search for people under the debris after a huge portion of an under-construction flyover bridge collapsed in Surat, some 260 kms from Ahmedabad on June 10, 2014. Four people were killed in the mishap and many others were injured with investigations ongoing. #

Bruce Campbell stands near his Boeing 727 home in the woods outside the suburbs of Portland, Oregon. In 1999, the former electrical engineer had a vision: To save retired jetliners from becoming scrap metal by reusing them. Campbell, 64, is one of a small number of people worldwide who have transformed retired aircraft into a living space or other creative project, although a spokesman for the Aircraft Fleet Recycling Association was unable to say precisely how many planes are re-used this way. #

A woman, whose son was aboard the missing Malaysia Airlines flight MH370, reacts after she and other family members failed to express their appeals to the airline outside its office in Beijing on June 11, 2014. Months of searches have failed to turn up any trace of the missing Boeing 777, which disappeared on March 8 carrying 239 passengers and crew shortly after taking off from Kuala Lumpur bound for Beijing. #

A supporter of Egyptian President Abdel-Fattah el-Sissi looks on as fireworks light the sky as they celebrate his inauguration while holding a rally in front of the presidential palace in Cairo, Egypt, on June 8, 2014. El-Sissi was sworn in as president for a four-year term, assuming the highest office of a deeply polarized nation roiled by deadly unrest and an economic crisis since its Arab Spring uprising in 2011. #

An Iraqi Kurdish security guard (Peshmerga) stands guard as Iraqi families fleeing violence in the northern Nineveh province gather at a Kurdish checkpoint in Aski kalak, 40 kms West of Arbil, in the autonomous Kurdistan region, on June 11, 2014. Since the Islamic State of Iraq and the Levant (ISIL) began their spectacular assault in Mosul late on June 9, militants have captured a large swath of northern and north-central Iraq, prompting as many as half a million people to flee their homes. #

This image posted on a militant news Twitter account on June 12, 2014 shows militants from the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) raising their flag at the entrance of acaptured army base in Ninevah Province, Iraq. Fresh gains by insurgents, spearheaded by fighters from the al-Qaida-inspired Islamic State of Iraq and the Levant, come as Prime Minister Nouri al-Maliki's Shiite-led government struggles to form a coherent response after militants overran the country's second-largest city of Mosul, Saddam Hussein's hometown of Tikrit and smaller communities, as well as military and police bases -- often after meeting little resistance from state security forces. #

A monkey cools off in a tub near a Hindu temple on a hot summer afternoon in Jammu, India, on June 11, 2014. Severe heat conditions sent temperatures soaring past 45 degrees Celsius (113 Fahrenheit) in parts of northern India. #