Mutant vehicles on the Playa are seen as approximately 70,000 people from all over the world gather for the 30th annual Burning Man arts and music festival in the Black Rock Desert of Nevada, U.S. September 3, 2016. (Photo by Jim Urquhart/Reuters)

Completion is near on Monaco's tallest skyscraper ever, and its first new one since the 1980s. Fueled by a luxury-housing boom in the tax-haven nation, the Odeon Tower's so-called Sky Penthouse is expected to sell for more than any other apartment in the world has ever sold before. Photo: The five-story Sky Penthouse is expected to be complete in September 2015. The water slide extends from a dance floor in the residence down to a private infinity pool. (Photo by Tour Odeon)

Ants carry a leaf with a slogan reading “Merkel, Help!”, a reference of German Chancellor Angela Merkel, at the zoo in Cologne, Germany August 18, 2015. Some of the zoo's 500,000 leaf-cutting ants carry laser-cut leaves with slogans during a campaign to protect the Amazon rain forest, organised by the German branch of World Wild Fund for Nature (WWF) and Cologne Zoo. Picture taken through the glass of the display case. (Photo by Ina Fassbender/Reuters)

Amateur honorable mention | Common raven at Banff National Park in Alberta, Canada. (Photo by Colleen Gara/Audubon Photography Awards)

An observer watches the Perseid meteor shower at Mount Hamilton in California, United States on August 13, 2023. (Photo by Tayfun Coskun/Anadolu Agency via Getty Images)

A model performs on the catwalk of the Lambertz Monday Night event at Alter Wartesaal in Cologne, Germany, 03 February 2020. (Photo by Friedemann Vogel/EPA/EFE)

Two Red-eyed Tree frogs (Agalychnis callidryas) mate at “Exotic Fauna” breeding zoo, where exotic animals are reproduced to be marketed as pets in U.S., Canada and Asia, in Ticuantepe, on the outskirts of Managua, Nicaragua on July 17, 2022. (Photo by Maynor Valenzuela/Reuters)

The competition is run by Royal Observatory Greenwich sponsored by Insight Investment and in association with BBC Sky at Night Magazine. This year astrophotographers from 91 countries sent in more than 4,200 spectacular entries. Here: The Milky Way rises above an isolated lighthouse in Tasmania. Shot by James Stone of Australia. (Photo by James Stone/Astronomy Photographer of the Year 2018)