Snorkellers approach an adult manatee at Three Sisters Spring, Crystal River, Florida. You might imagine that coming face to face with one of these enormous underwater mammals would cause some concern. However, the likelihood is that the rotund creature just wants you to scratch its belly while it floats around happily, as world-renowned underwater photographer Alex Mustard discovered. (Photo by Alexander Mustard/Barcroft Media)

A Salvadoran clown is seen wearing colorful clothes and face make-up during the parade within the framework of the National Salvadoran Clown Day that is celebrated on the first Wednesday of every December by legislative decree in San Salvador, El Salvador on December 07, 2022. After the pandemic crisis, dozens of Salvadoran clowns took to the streets to celebrate their day, and invite families to respect the work of bringing smiles to children and adults in El Salvador. (Photo by Alex Pena/Anadolu Agency via Getty Images)

North Kenya, Liboi. A young Somali refugee crosses a field filled with marabous storks in July 1992. (Photo by Jean-Claude Coutausse)

A father crosses a road with his twin daughters in Shanghai, China September 28, 2018. (Photo by Aly Song/Reuters)

A motorway bridge crosses the icy Hunhe River in Shenyang, China on December 12, 2019. (Photo by Costfoto/Barcroft Media)

A man wearing a Spiderman costume jumps across Shibuya crossing in Tokyo on June 8, 2020. (Photo by Charly Triballeau/AFP Photo)

A woman crosses a road outside the EU Parliament ahead of the EU elections in Brussels, Belgium, May 22, 2019. (Photo by Yves Herman/Reuters)

People cross the street in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)