Londoners sleep on the platform and on the train tracks at Aldwych Underground station,London, during heavy all night Nazi bombing raids, October 8, 1940. (Photo by AP Photo)

Old Heidelberg, Dog with Pipe, 1905. (Photo by Detroit Publishing Company)

Mature woman lying on bed, rear view. (Photo by Andersen Ross/Getty Images)

Woman carrying luggage walks along a railway track on the outskirts of Mumbai, India on November 12, 2020. (Photo by Francis Mascarenhas/Reuters)

A person walks through the Brooklyn Bridge during a snow storm, amid the coronavirus disease (COVID-19) pandemic, in New York City, New York, U.S., February 1, 2021. (Photo by Brendan McDermid/Reuters)

A bee approaching the flowers of a willow in Otzberg, Germany on February 28, 2021. Willow catkins are a protected species and one of the first sources of food for insects in early spring. (Photo by Arne Dedert/DPA)

Dog groomers participate in a contest at the “Interpets” international pet fair in Tokyo, Japan, 01 April 2021. (Photo by Franck Robichon/EPA/EFE)

German model Micaela Schaefer (2nd from Left) and German actor Yvonne Woelke (2nd from right) sighted during Oktoberfest at Theresienwiese on September 21, 2014 in Munich, Germany. (Photo by Chad Buchanan/Getty Images)