A health worker dresses in a protective suit before starting to perform the coronavirus testing in an effort to stop the spread of the coronavirus disease (COVID-19) in the Kibera slum of Nairobi, Kenya, May 26, 2020. (Photo by Baz Ratner/Reuters)

An Indian worker crosses a street holding a shovel during monsoon rains in Prayagraj, in the northern Indian state of Uttar Pradesh, Wednesday, July 29, 2020. (Photo by Rajesh Kumar Singh/AP Photo)

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

October 25, 2009; London,UK; The mascot for the Tampa Bay Buccaneers watches a cheerleader during the NFL International Series game against the New England Patriots at Wembley Stadium. (Photo by David Wilkinson/Offside Sports)

Italian singer Benjamin Mascolo and American actress and model Bella Thorne attends the Milano Pride Event in Sempione Square on June 26, 2021 in Milan, Italy. (Photo by Mairo Cinquetti/NurPhoto/Rex Features/Shutterstock)

A lake in a shape of a heart is seen surrounded by autumn-coloured trees outside Balashikha, Moscow region, Russia on October 4, 2021. (Photo by Maxim Shemetov/Reuters)

The Elterwater quarry in Cumbria, North West England on June 12, 2023 which has now reached a water level that reveals a hidden heart shape in the stone. (Photo by Steven Lomas/Animal News Agency)

Students with faces painted as Hindu goddess Kali, take part in a cultural event ahead of the Janmashtami festival, or the birth anniversary of Hindu Lord Krishna, inside a college in Mumbai, India on September 4, 2023. (Photo by Francis Mascarenhas/Reuters)