A cow covered with foam scavenges in the waste left on the banks of the polluted Yamuna river in New Delhi on October 10, 2020. (Photo by Sajjad Hussain/AFP Photo)
A man bathes in an ice hole in the Neva River St. Petersburg, Russia, Wednesday, February 10, 2021. The temperature in St. Petersburg is –15C ( 5 °F). (Photo by Dmitri Lovetsky/AP Photo)
Hot-air balloons float over the Oka River during the Russian Sky International Balloon Festival in Ryazan Region, Russia on July 26, 2021. (Photo by Alexander Ryumin/TASS)
Hindu devotees offer prayers during “Chhat Puja” festival on the banks of the Brahmaputra River in Guwahati on November 10, 2021. (Photo by Biju Boro/AFP Photo)
People take photos during the Loy Krathong festival which is held as a symbolic apology to the goddess of the river in Chiang Mai, Thailand, November 19, 2021. (Photo by Soe Zeya Tun/Reuters)
A winter swimmer jumps into a pool in the frozen Songhua River during an activity for welcoming the Chinese New Year on January 30, 2022 in Harbin, Heilongjiang Province of China. (Photo by Liu Yang/VCG via Getty Images)