Two women react to the camera as Nightclub Circus hosts the first dance event, which will welcome 6,000 clubbers to the city's Bramley-Moore Dock warehouse on April 30, 2021 in Liverpool, England. The event is part of the national Events Research Programme which will provide data on how events could be permitted to safely reopen. (Photo by Anthony Devlin/Getty Images)

These timeless postcards offer an eye-opening glimpse into life in Japan in the early 20th century. Taken from hand-colored photographs, the postcards showcase the still beauty of the country, depicting a nation on the cusp of modernization. The images feature solemn fishermen, bustling streets, temples and shrines: a country yet to be influenced by Western culture. The tinting effect brings out the rich colors of the natural surroundings, with trees, flowers and cherry blossoms jumping from the original black-and-white images. Here: Toyokuni Shrine Nakanoshima, Osaka, Japan. (Photo by New York Public Library/Caters News)

The Y-40 Deep Joy is the worlds deepest pool. Y-40 is projected by Architect Emanuele Boaretto and supported by the “Boaretto Group Hotel and Resort”. The name Y-40 is inspired by mathematical symbols. “Y” is the ordinate axis of the Cartesian system and “–40” means the world's record depth or our pool- that is 40 meters underground. (Photo by Courtesy Y40 Deep Joy)

Who Left The Tap Running by artist Simon McGrath is seen as part of the Sculpture by the Sea outdoor exhibition along the Bondi to Bronte coastal walk on November 4, 2011 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)

Divers wearing mermaid costumes take part in the first Chinese Mermaid Performance Contest at Atlantis resort on December 21, 2021 in Sanya, Hainan Province of China. (Photo by Luo Yunfei/China News Service via Getty Images)

A woman poses for a picture next to a caterpillar-tracked Bentley Continental GT, which was modified by Russian car engineering enthusiasts, during a demonstration in St. Petersburg, Russia on June 7, 2019. (Photo by Anton Vaganov/Reuters)

Giant Olympic rings are towed on The River Thames past The Tower of London on February 28, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)

In the mangrove swamps of Quang Lang in Vietnam fishermen use stilts to take them into the deeper water on December 18, 2021. (Photo by Bang Nguyen Trong/Solent News)