This aerial view shows a frozen river flowing from the Agua Negra glacier alongside a roadway in Iglesia, San Juan province, Argentina on April 23, 2026. The ever-blue sky of San Juan is no longer reflected in many of its rivers: the Argentine province is facing a persistent water shortage due to climate change, while mining advances across the Andes and its thousands of glaciers. (Photo by Luis ROBAYO / AFP via Getty Images)