Cristina Mamani walks in dried-up Lake Poopó, in Bolivia, on July 24, 2021. Its waters were diverted for regional irrigation, but locals and scientists say climate change is also a factor.
Cristina Mamani walks in dried-up Lake Poopó, in Bolivia, on July 24, 2021. Its waters were diverted for regional irrigation, but locals and scientists say climate change is also a factor.  REUTERS/Claudia Morales