A handout photograph provided by Brian Kubicki of Costa Rican Amphibian Research Center on 26 April 2016 shows a “Crystal frog”, Hyalinobatrachium dianae (H. diane). This frog was discovered by US biologist Brian Kubicki and Costa Ricans Stanley Salazar and Robert Puschendorf in a rainy forest of Costa Rican caribbean after 40 years without notice of any new example of this kind. (Photo by Brian Kubicki/EPA/Costa Rican Amphibian Research Center)

A woman wearing a kimono performs an uchimizu ritual outside a pachinko game parlor in Tokyo June 30, 2015. The splashing of water onto the hot asphalt in summer is an old Japanese tradition meant to cool down the air as the water evaporates. (Photo by Thomas Peter/Reuters)

A ten days old South American sea lion pup sits next to its mother Lunita at the “Tiergarten Schoenbrunn” Zoo in Vienna, Austria, July 28, 2015. The pup was born in the zoo and weighs about 14 kilograms (30 pounds). (Photo by Leonhard Foeger/Reuters)

A Sadhu or a Hindu holy man offers prayers while sitting inside a circle of burning “Upale” (or dried cow dung cakes) on the occasion to mark the Basant or spring festival, on the banks of river Ganga in the northern Indian city of Allahabad January 24, 2015. Basant is celebrated mainly in the northern Indian states marking the start of the spring season. (Photo by Jitendra Prakash/Reuters)

In this January 31, 2014 file photo released by the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA), shows residents of the besieged Palestinian camp of Yarmouk, queuing to receive food supplies, in Damascus, Syria. That year, the U.N. was able to deliver food to about five percent of people in besieged areas including Yarmouk, while today estimates show the organization is reaching less than one percent. (Photo by UNRWA via AP Photo)

A man retrieves fans from a collapsed shop following a strong earthquake in Meureudu, Pidie Jaya, Aceh province, Indonesia December 8, 2016. (Photo by Darren Whiteside/Reuters)

Pakistani Waseem Akram, 27, dances during a private party in Rawalpindi, Pakistan. By day, Akram sells mobile phone accessories from an alleyway shop in an old neighborhood of this Pakistani city, Thursday, January 15, 2015. Across conservative Pakistan, where Islamic extremists launch near-daily attacks and many follow a strict interpretation of their Muslim faith, male cross-dressers and the transgendered face a challenge of balancing two identities. Some left their villages for the anonymity of a big city, fearing the reactions of their families while still concealing their identity from neighbors and co-workers. (Photo by Muhammed Muheisen/AP Photo)

Ultra-Orthodox Jews knead dough in a bakery in an Orthodox neighborhood in Jerusalem, 29 March 2015. Matzah, or unleavened bread, is used instead of bread during the week-long Jewish holiday of Passover, commemorating the Jewish exodus from Egypt in Biblical times. (Photo by Abir Sultan/EPA)