Destroyed homes lay in ruin after flooding from the Cauca River, caused by structural damage to the Hidroituango hydroelectric dam, in Puerto Valdivia, Antioquia Department, Colombia, on Sunday, May 20, 2018. A worsening crisis at an unfinished $4 billion dam in northwest Colombia is causing widespread flooding, displacing thousands of residents and threatening the largest hydroelectric project ever undertaken in the South American country. Photographer: Tomas Ayuso/Bloomberg via Getty Images
