A church made entirely from ice is seen during the night at Balea Lac resort in the Fagaras mountains January 29, 2015. (Photo by Radu Sigheti/Reuters)

In this October 16, 2014 photo, a man cleans his American classic car before going to work in Havana, Cuba. While the U.S. embargo that took effect in 1961 stopped the flow of new cars, and most parts, a few Cubans now manage to bring in replacement parts when friends or family visit from the U.S. (Photo by Franklin Reyes/AP Photo)

In this June 29, 2015 photo, forlorn buildings are seen at Hashima Island, commonly known as Gunkanjima, which means “Battleship Island”, off Nagasaki, Nagasaki Prefecture, southern Japan. The island is one of 23 old industrial facilities seeking UNESCO's recognition as world heritage “Sites of Japan's Meiji Industrial Revolution” meant to illustrate Japan's rapid transformation from a feudal farming society into an industrial power at the end of the 19th century. UNESCO's World Heritage Committee is expected to approve the proposal during a meeting being held in Bonn, Germany, through July 9. (Photo by Eugene Hoshiko/AP Photo)

Nihon University professor and head of Nihon University Animal Medical Center Kazuya Edamura, 49, points to cat photos on a computer screen, which are used to train the AI of “CatsMe!”, an AI-driven smartphone application jointly developed by tech startup Carelogy and researchers at Nihon University that purports to tell when a cat is feeling pain, as he gives a lecture to students on diagnosing pain in cats, at the medical center in Fujisawa, south of Tokyo, Japan on June 11, 2024. (Photo by Issei Kato/Reuters)

Festival-goers enjoy the mud during the annual Boryeong Mud Festival at Daecheon Beach on July 18, 2015 in Boryeong, South Korea. The mud, which is believed to have benefical effects on the skin due to its mineral content, is sourced from mud flats near Boryeong and transported to the beach by truck. (Photo by Chung Sung-Jun/Getty Images)

A general view of Edinburgh Castle on February 7, 2012 in Edinburgh, Scotland. The castle dominates the city skyline was built on top of an extinct volcano, and has had a human settlement on the castle site since 900BC. (Photo by Jeff J. Mitchell/Getty Images)

Street artist JR poses in front the Louvre Pyramid in Paris, Tuesday, May 24, 2016. For his latest bold project, street artist JR is creating an eye-tricking installation at the Louvre Museum that makes it seem as if the huge glass pyramid at the heart of the courtyard has disappeared. (Photo by Francois Mori/AP Photo)

Beachgoers are hit by a wave in La Libertad May 3, 2015. El Salvador emergency authorities declared a green alert along the pacific coats due to a large swell that affected the Salvadoran coast and originated from the extra-tropical storms that formed in New Zealand and the Southern hemisphere, according to El Salvador's ministry of environment and natural resources. (Photo by Jose Cabezas/Reuters)