Participants of the Dark Mofo Nude Solstice Swim are seen in the River Derwent at dawn, in Hobart, Australia, June 22, 2018. (Photo by Rob Blakers/AAP via Reuters)





The image taken with a drone shows a boat sailing across Lake Neuchatel during warm weather near Chevroux, Switzerland, 24 May 2018. The weather forecast predicts warm temperatures for the coming days. (Photo by Anthony Anex/EPA/EFE/Keystone)





An aerial view shows the business tower Lakhta Centre, which is under construction in St. Petersburg, the host city for the 2018 FIFA World Cup, Russia May 19, 2018. (Photo by Anton Vaganov/Reuters)





Indian Muslims leave after offering Eid al-Fitr prayers at the Jama Masjid mosque in New Delhi on June 16, 2018. Muslims around the world celebrated Eid al Fitr which marks the end of the month of Ramadan, after the sighting of the new crescent moon. (Photo by Chandan Khanna/AFP Photo)





Chinese workers clear blue-green algae on boats in the green water of Chao Lake, also known by its Chinese name Chao Hu near Chaohu city, Anhui province, China on July 21, 2018. (Photo by Imaginechina/Rex Features/Shutterstock)





A car drives through a water- logged street after heavy rainfall in Yangzhou in China' s eastern Jiangsu province on May 25, 2018. Heavy rain swept parts of east China on May 25. (Photo by AFP Photo/Stringer)





A long exposure shows traffic flowing on the Gotthardstrasse mountain pass road through the Schoellenenschlucht canyon near the village of Goeschenen, Switzerland, July 19, 2018. (Photo by Arnd Wiegmann/Reuters)





The world’s longest cat-proof fence, 44km, that surrounds the Newhaven Wildlife Sanctuary, Australia. This feral-free area will increase the population of at least 11 nationally threatened mammal species. (Photo by Wayne Lawler/Australian Wildlife Conservancy)





Aerial view of a boat working in the green water of Taihu Lake covered by blue-green algae, Wuxi city, Jiangsu province, China on May 23, 2018. (Photo by Imaginechina/Rex Features/Shutterstock)





This image obtained June 26, 2018 from the US Geological Survey shows the lava entering the sea and releasing multiple laze plumes at Kilauea Volcano, Hawaii. (Photo by AFP Photo/US Geological Survey)





People play with crayfish inflatables at Playa Maya water park on June 17, 2018 in Wuhan, Hubei Province of China. (Photo by VCG/VCG via Getty Images)





Supporters of presidential candidate Andres Manuel Lopez Obrador, of the MORENA party, wait in Azteca stadium for him to arrive for his closing campaign rally in Mexico City, Wednesday, June 27, 2018. Mexico will choose a new president in general elections on July 1. (Photo by Christian Palma/AP Photo)





Drone photo shows the Cevizdere transportation bridge after it collapsed following the flash floods hit Unye district of Ordu, Turkey on August 10, 2018. (Photo by Hakan Burak Altunoz/Anadolu Agency/Getty Images)





An aerial view shows haystacks in a field in Saint-Philbert-sur-Risle, northern France, on July 19, 2018. (Photo by Joel Saget/AFP Photo)





This May 20, 2018, drone photo shows a building covered in ivy in the abandoned fishing village of Houtouwan on the remote island of Shengshan, 90 kilometers off the coast of Shanghai. Only 5 of the 3,000 residents remain in what some call a “ghost village” that draws visitors down perilous footpaths winding past structures worn down by roots, rain, vines and wind. (Photo by Sam McNeil/AP Photo)





Aerial view of the construction works of Mexico City' s new airport, in Texcoco, Mexico State on July 31, 2018. (Photo by Pedro Pardo/AFP Photo)





A toy plane sits in the sand during a Memorial Day event at Jones Beach on Long Island, New York, U.S., May 26, 2018. (Photo by Johnny Milano/Reuters)





A picture taken from a drone showing a worker cleaning a pool of the Harkany Thermal Spa in Harkany, 250 kms south of Budapest, Hungary, 11 June 2018. (Photo by Tamas Soki/EPA/EFE)





Lava flows on the outskirts of Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 5, 2018. (Photo by Terray Sylvester/Reuters)





An aerial view shows children playing on the grass in the Siberian town of Divnogorsk, Russia on June 6, 2018. (Photo by Ilya Naymushin/Reuters)