Cave Diver, Anhumas Abyss, Bonito, Brazil: The Anhumas Abyss is an underground cavern with a crystal-clear lake below, more than 260 feet (79 m) deep. A visitor must enter through a narrow opening at the top of the chamber and rappel into the cave. Snorkeling and scuba diving in the lake reveal amazing scenery. Distinctive, conical limestone stalagmites and stalactites occupy the lake and the surrounding area, some reaching 65 feet (20 m) high. (Photo by Marcio Cabral/Nature’s Best Photography Awards 2017)

A man takes a photograph of his friend as thick smoke rises from a fire, which broke out at oil wells set ablaze by Islamic State militants before they fled the oil-producing region of Qayyara, Iraq, January 28, 2017. (Photo by Muhammad Hamed/Reuters)

Actors dressed as zombies and ghouls perform during a drive-in haunted house show by Kowagarasetai (Scare Squad), for people inside a car in order to maintain social distancing amid the spread of coronavirus, at a garage in Tokyo, Japan on July 3, 2020. (Photo by Issei Kato/Reuters)

In this Monday, June 10, 2019 photo, an Indian Rabha tribal Hindu priest pours traditional rice beer to a Rabha girl to perform rituals during Baikho festival at Pantan village, west of Gauhati, India. Every year, the community in India’s northeastern state of Assam celebrates the festival, to please a deity of wealth and ask for good rains and a good harvest. (Photo by Anupam Nath/AP Photo)

Police detain a demonstrator during an action against Russia's attack on Ukraine in St. Petersburg, Russia, Wednesday, March 2, 2022. Protests against the Russian invasion of Ukraine resumed on Wednesday, with people taking to the streets of Moscow and St. Petersburg and other Russian towns despite mass arrests. (Photo by Dmitri Lovetsky/AP Photo)

This photo taken on March 5, 2023 show fighters competing in a bout during a traditional Myanmar boxing Lethwei tournament at Pyi Thar Lin Aye pagoda in Hlaingbwe township in Karen state. The spectacle of almost-no-holds-barred traditional Myanmar boxing known as Lethwei, considered one of the most aggressive combat sports in the world – with fighters eschewing boxing gloves for thin gauze bandages wrapped around hardened knuckles – draws huge crowds in the eastern border state of Karen. (Photo by AFP Photo/Stringer)

A woman dries chili peppers in the sun at a village in Wuyuan County, Jiangxi province, China July 21, 2017. (Photo by Reuters/China Stringer Network)

A participant poses with his laptop during the 33rd Chaos Communication Congress on its opening day on December 27, 2016 in Hamburg, Germany. The annual event is bringing together 12,000 computer hackers and activists who will meet over the next four days to share expertise and discuss topics related to the society and the digital world. (Photo by Morris MacMatzen/Getty Images)