A plastic raft overcrowded by over 100 migrants is seen drifting during a search and rescue operation by Spanish NGO Proactiva Open Arms in central Mediterranean Sea, some 22 nautical miles north of the Libyan town of Sabratha, April 1, 2017. Photo by Yannis Behrakis.

Student and presidential candidate Luka Maksimovic, also known as «Beli», talks to media as fireworks explode in his headquarters during elections in Mladenovac, Serbia, April 2, 2017. Photo by Marko Djurica.

Tim McGraw and Faith Hill perform «Speak to a Girl.» at the 52nd Academy of Country Music Awards in Las Vegas, Nevada, U.S., April 3, 2017. Photo by Mario Anzuoni.

Sally Goodsir, Assistant Curator of Decorative Arts (R) and Hannah Belcher, Exhibition co-ordinator pose with a silver bowl of fruits from Zambia which forms one of the exhibits on the theme of Royal Gifts which goes on show from July 22 at the Summer Opening of the State Rooms at Buckingham Palace, London, Britain, April 3, 2017. Photo by Toby Melville.

A man looks at cherry blossoms in almost full bloom in Tokyo, Japan, April 3, 2017. Photo by Issei Kato.

Rescuers recover a body of the river after flooding and mudslides caused by heavy rains leading several rivers to overflow, pushing sediment and rocks into buildings and roads, in Mocoa, Colombia April 3, 2017. Photo by Jaime Saldarriaga.

A child displaced by fighting in South Sudan arrives in Lamwo after fleeing fighting in Pajok town across the border in northern Uganda, April 5, 2017. Photo by James Akena.

Players of Universidad de Chile and Corinthians listen to national anthems in Sao Paulo, Brazil, April 4, 2017. Photo by Nacho Doce.

U.S. Navy guided-missile destroyer USS Porter (DDG 78) conducts strike operations while in the Mediterranean Sea which U.S. Defense Department said was a part of cruise missile strike against Syria on April 7, 2017. Photo by Ford Williams.

A Syrian national flag flutters as Qasioun mountain is seen in the background from Damascus, Syria, April 7, 2017 Photo by Omar Sanadiki.

A man carries his pet cat as he walks under the cherry blossoms at Tongji University in Shanghai, China April 5, 2017. Photo by Aly Song.

Rescue members walk during the burial of a companion who died after flooding and mudslides caused by heavy rains lead several rivers to overflow, pushing sediment and rocks into buildings and roads, in Mocoa, Colombia April 4, 2017. Photo by Jaime Saldarriaga.

An artiste is reflected in a mirror as he applies make-up backstage before taking part in a celebration to mark Hindu festival of Ramnavami inside the premises of a temple in Bengaluru, India, April 5, 2017. Photo by Abhishek N. Chinnappa.

A jacket hangs on a coat rack before the JD & Uyen fashion show by Han Dongyang at China Fashion Week in Beijing, China, March 31, 2017. Photo by Thomas Peter.

An Iraqi cover his boy with sand from a sulfur pond at Hammam al-Alil city south of Mosul, Iraq, March 31, 2017. Photo by Suhaib Salem.