Boys in ceremonial uniform at the civil wedding ceremony of American actress Grace Kelly and Rainier III, Prince of Monaco at the Prince's Palace of Monaco, 18th April 1956. Original publication: Picture Post - 8336 - The Hour Of Marriage - pub. 28th April 1956.

Participants prepare backstage during Belarus bodybuilding and fitness championship in Minsk April 25, 2015. (Photo by Vasily Fedosenko/Reuters)

A man walks beside a “Wrinkles Of The City” creation near the Berlin cathedral in Berlin April 19, 2013. (Photo by Fabrizio Bensch/Reuters)

A woman sits in a cell at the Los Angeles County Women's jail in Lynwood, California April 26, 2013. (Photo by Lucy Nicholson/Reuters)

Some bats in the forested area of Guapiles, Costa Rica, 21 April 2020. (Photo by Jeffrey Arguedas/EPA/EFE)

A man walks at the empty Karon beach on Phuket Island, Thailand on April 1, 2021. Picture taken with a drone. (Photo by Jorge Silva/Reuters)

A woman walks past a mural painting on a street in Tokyo, Japan on Wednesday, April 25, 2018. (Photo by Koji Sasahara/AP Photo)

Bella Thorne is seen at Coachella on April 14, 2019 in Indio, California. (Photo by Hollywood To You/Star Max/GC Images)