Top Frames: Simhastha Kumbh Mela, severe drought conditions in India

A Sadhu or a Hindu holy man covers his face as an earthen pot with burning "Upale" (or dried cow dung cakes) rests on his head during a prayer ceremony at the Simhastha Kumbh Mela in Ujjain, India, May 2, 2016. (Source: Reuters)

A cabin on a Ferris wheel is seen on fire at the Dinosaur Planet amusement park, in Bangkok, Thailand April 30, 2016. (Source: Reuters)

An indian boy follows a herd of goat on a parched water pond in Kaushambi, nearly 25 kms from Allahabad, India, Tuesday, May 3, 2016. Much of India is reeling under a weeks long heat wave and severe drought conditions that have decimated crops, killed livestock and left at least 330 million Indians without enough water for their daily needs. (Source: AP)

Kashmiri Muslim women react upon seeing a relic believed to be hair from the beard of Prophet Mohammed during Meeraj-un-Nabi celebrations early morning at the Hazratbal shrine in Srinagar May 5, 2016. (Source: Reuters)

Kashmiri Muslims pray as the head priest, unseen, displays a relic of Islam's Prophet Muhammad at the Hazratbal shrine following Mehraj-u-Alam, believed to mark the ascension of Prophet Muhammed to heaven, Srinagar, Indian controlled Kashmir, Thursday, May 5, 2016. Kashmiri Muslims thronged the Hazratbal shrine, which houses a relic believed to be a hair from the beard of Prophet Muhammad. (Source: AP)

U.S. President Barack Obama laughs at the White House Correspondents' Association annual dinner in Washington, U.S., April 30, 2016. (Source: Reuters)

Children ride on the back of a truck loaded with water jerrycans at a camp for internally displaced people in the Dhanah area of the central province of Marib, Yemen, April 30, 2016. (Source: Reuters)

U.S. President Barack Obama arrives aboard Air Force One from Michigan, at Joint Base Andrews, in Maryland May 4, 2016. (Source: Reuters)

The new comet, known as C/2014 S3, also-called "Manx" comet, which was discovered in 2014 by the Panoramic Survey Telescope and Rapid Response System, or Pan-STARRS, is shown in this artist rendering released on April 29, 2016. This diagram shows the probable history of this object in both the inner and outer Solar System over a period of more than four billion years. The majority of this time was spent in the cold outskirts, in the Oort Cloud. (Source: Reuters)

Students practice Yoga on campus in Jinan, Shandong province, China April 29, 2016. (Source: Reuters)

A North Korean fishes on the Yalu River in Sinuiju, opposite the Chinese border city of Dandong, Liaoning province, May 1, 2016. Picture taken from China's side of the Yalu. (Source: Reuters)

Shi'ite pilgrims carry a mock coffin during a symbolic funeral marking the death anniversary of Imam Moussa al-Kadhim shrine in Baghdad's Kadhimiya district, Iraq May 3, 2016. (Source: Reuters)

Worshippers hold candles as another prays during the Christian Orthodox Holy Fire ceremony at the Church of the Holy Sepulchre in Jerusalem's Old City April 30, 2016. (Source: Reuters)

Fire burns part of an estimated 105 tonnes of ivory and a tonne of rhino horn confiscated from smugglers and poachers at the Nairobi National Park near Nairobi, Kenya, April 30, 2016. (Source: Reuters)

Villarrica Volcano is seen at night from Villarrica national park in Pucon, Chile, May 4, 2016. (Source: Reuters)

Protesting refugees and migrants are pushed back by Greek police during a protest at a makeshift camp at the Greek-Macedonian border near the village of Idomeni, Greece, May 5, 2016. (Source: Reuters)

A Canadian Joint Operations Command aerial photo shows wildfires near Fort McMurray, Alberta, Canada in this May 4, 2016 image posted on social media. (Source: Reuters)

A general view shows a damaged street with sandbags used as barriers in Aleppo's Saif al-Dawla district, Syria March 6, 2015. (Source: Reuters)

FILE - In this Aug. 1, 2011 file photo, two Chinese Hui Muslim girls read the Quran, Islam's holy book, at the Niujie Mosque as they wait for their fast on the first day of the Muslim holy month of Ramadan in Beijing. A heavily Muslim Chinese province has demanded strict adherence to a ban on religion in schools after a video circulated online in which a kindergartener recites verses from the Quran. (Source: AP)

A devotee takes a holy bath at Matathirtha to commemorate his departed mother during Mother's Day in Kathmandu, Nepal, May 6, 2016. (Source: Reuters)

Lightning strikes across the sky above homes in south Walla Walla, Wash., Wednesday, May 4, 2016. The National Weather Service calls for more rain and a chance of another electrical storm Thursday afternoon. (Source: AP)

A massive wildfire, which caused a mandatory evacuation, rages south of Fort McMurray near Anzac, Alberta, Canada May 4, 2016. (Source: Reuters)

Evacuees from the Fort McMurray wildfires rest on a hockey rink at the evacuation center in Lac la Biche, Alberta, Thursday, May 5, 2016. More than 80,000 people have emptied Fort McMurray in the heart of Canada's oil sands, authorities said. The province of Alberta declared a state of emergency. (Source: AP)

Football Soccer - Corinthians v Nacional - Copa Libertadores - Arena Corinthians stadium, Sao Paulo, Brazil, 04/05/2016. Corinthians fans cheer their team. (Source: Reuters)

Russian Sukhoi Su-34 military jets are seen flying in formation through a glass roof of GUM department store during a rehearsal for the Victory Day parade to mark the 71st anniversary of the victory over Nazi Germany in World War Two, in Red Square in Moscow, Russia, May 5, 2016. (Source: Reuters)

Actress Lovi Poe, center, the sister of Presidential candidate Grace Poe leads the symbolic throwing of colored powder as her sister is endorsed by "Kabataan" party-list group, a youth organization trying to campaign for a seating the Lower House, Thursday, May 5, 2016, at suburban Quezon city northeast of Manila, Philippines. Poe is running second to front-running candidate Rodrigo Duterte in recent poll surveys leading to Monday's Presidential elections. (Source: AP)

In this photo taken with a 73-second exposure, SpaceX's Falcon 9 rocket lights up the sky after a launch from the Cape Canaveral Air Force Station's Launch complex 40 early Friday morning, May 6, 2016, in Fla. For the second month in a row, the aerospace upstart SpaceX landed a rocket on the ocean platform, this time following the successful launch of a Japanese communications satellite. (Source: AP)