Mercury and Maia, fueled and overhauled, are waiting in the Tay at Dundee, for favorable weather to start the flight to the Cape, a distance of 6,370 miles. The composite machine moored in the Tay River, at Dundee, on September 23, 1938. (Photo by AP Photo)

1st Place in Wildlife: A male orangutan peers from behind a tree while crossing a river in Borneo, Indonesia. (Photo by Jayaprakash Joghee Bojan/National Geographic Nature Photographer of the Year contest 2017)

Kids play in water to cool off during the scorching weather of a heatwave at a River Landing splash park in Saskatoon, Saskatchewan, Canada July 2, 2021. (Photo by David Stobbe/Reuters)

Migrants bathe in the Huixtla River, Chiapas state, Mexico, Tuesday, October 26, 2021, as they take a day of rest before continuing their trek across southern Mexico to the U.S. border. (Photo by Marco Ugarte/AP Photo)

An ascetic performs yoga at his makeshift tent near the banks of Sangam -the confluence of the Ganges, Yamuna and mythical Saraswati river during the Magh Mela festival in Allahabad on January 28, 2022. (Photo by Sanjay Kanojia/AFP Photo)

A woman rides her horse in the River Eden on Friday June 10, 2022, on Day 2 of the Appleby Horse Fair, the annual gathering of gypsies and travellers. (Photo by Owen Humphreys/PA Wire Press Association)

A boy makes his way on a bicycle along a flooded road near the Ganges River in Allahabad on August 23, 2022, as water levels rose following monsoon rainfalls. (Photo by Sanjay Kanojia/AFP Photo)

A dead fish lies on the bank of Oder River on the German-Polish border, in Brieskow-Finkenheerd, Frankfurt (Oder), Germany, August 11, 2022. Authorities are looking into the cause of the mysterious fish deaths. (Photo by Annegret Hilse/Reuters)