Dancers at the Windmill Theatre in London, England practice a routine wearing gas masks and hard-hats with their costumes, 1940. (Photo by Hulton Archive/Getty Images)
Swedish-born actor Dolph Lundgren shows off his muscles by sweeping two women off their feet at the same time, 1986. (Photo by Dave Hogan/Hulton Archive/Getty Images)
This September 22, 2014 photo, shows a building with street art murals in the Santurce neighborhood in San Juan, Puerto Rico. (Photo by Ricardo Arduengo/AP Photo)
Early morning paddle boarder enjoys late days of summer on Trent Severn Waterway in Rosedale, Ont., Thursday, September 3, 2020. (Photo by Canadian Press/Rex Features/Shutterstock)
Dog walkers enjoy the early morning sunrise at Tynemouth Beach in North Tyneside, on the north east coast of England on Monday, February 7, 2022. (Photo by Owen Humphreys/PA Images via Getty Images)
Waves crashing on the shore at sunrise at St Mary's lighthouse in Whitley Bay in Tyne and Wear on the north east coast of England on Friday, October 22, 2021. (Photo by Owen Humphreys/PA Images via Getty Images)
A cow is silhouetted grazing next the smoke of a chimney of an incineration plant in Lausanne at sunrise on November 19, 2021. (Photo by Fabrice Coffrini/AFP Photo)
People ride a boat on the Tianquan Lake during a foggy day in Xuyi in China's eastern Jiangsu province on November 20, 2019. (Photo by AFP Photo/China Stringer Network)