Passengers travel on the London train and underground system during the Christmas party season, December 18, 2015. (Photo by Paul Hackett/Reuters)

Girls bath inside a drum on a hot summer day at a field in New Delhi, April 18, 2017. (Photo by Adnan Abidi/Reuters)

A gibbon drinks from a soft drink bottle, given by a tourist, at a zoo in Kunming, Yunnan province, June 18, 2015. (Photo by Wong Campion/Reuters)

An alpaca chewing a leaf is pictured on November 18, 2014 in the zoo of Frankfurt am Main, Germany. (Photo by Frank Rumpenhorst/AFP Photo/DPA)

The rising sun is framed between the lighthouses at the end of the pier in Whitby on the Yorkshire coast on March 18, 2025. (Photo by Andrew McCaren/London News Pictures)

An entertainer walks during snowfall at the Exhibition of Achievements of National Economy (VDNKh) in Moscow, Russia on December 18, 2022. (Photo by Yulia Morozova/Reuters)

A farmer competes in a traditional bull race at Swabi on February 18, 2024. (Photo by Abdul Majeed/AFP Photo)

A sand carver works on a sculpture during the Sand Sculpture Festival “Dreams” in Ostend, Belgium on June 18, 2019. (Photo by Yves Herman/Reuters)