21-03-2022 - New Mexico, USA-Dry Rio Grande riverbed, severe drought. Most of the river water above this point is diverted for irrigation but even that has been scarce during the severe drought affecting much of t... © Jim West

21-03-2022 - New Mexico, USA-Dry Rio Grande riverbed, severe drought. Most of the river water above this point is diverted for irrigation but even that has been scarce during the severe drought affecting much of t... © Jim West

09-09-2014 - Tijuana, Mexico Homeless people have set up a camp in the riverbed of the Tijuana River, in downtown Tijuana, not far from the U.S. Mexico border. Juan Guerra, an indigenous Zapotec migrant from Oaxac... © David Bacon

09-09-2014 - Tijuana, Mexico Homeless people have set up a camp in the riverbed of the Tijuana River, in downtown Tijuana, not far from the U.S. Mexico border. © David Bacon

09-09-2014 - Tijuana, Mexico - Homeless people have set up a camp in the riverbed of the Tijuana River, in downtown Tijuana, not far from the U.S. Mexico border. Juan Guerra, a Zapotec migrant from Oaxaca, cooks a... © David Bacon

30-08-2006 - A colombian refugee prepares the ground to plant some rice in a dried up riverbed near Arrevachi, Darien region, Panama, January 2006. This region is very remote. © Boris Heger