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Contractors cut lumber during construction on the Hidroituango hydroelectric dam wall in Ituango, Colombia, on Friday, June 7, 2019. Repairs are underway at Hidroituango after a 2018 landslide caused a break and widespread flooding that destroyed communities downriver. Photographer: Nicolo Filippo Rosso/Bloomberg via Getty Images

Contractors cut lumber during construction on the Hidroituango hydroelectric dam wall in Ituango, Colombia, on Friday, June 7, 2019. Repairs are underway at Hidroituango after a 2018 landslide caused a break and widespread flooding that destroyed communities downriver. Photographer: Nicolo Filippo Rosso/Bloomberg via Getty Images