Chuquicamata: Chile's abandoned mining town

By 2007, the 25,000 residents of a Chilean mining town had moved out of their homes due to concerns about pollution levels from one of the largest copper mines in the world.

Today, the ghost town of Chuquicamata, located in the Atacama Desert, lies empty.

But once a year, the former residents return to celebrate the life they once had there with a weekend of partying, during which they sing happy birthday to the town.

Patricia Rojas revisits and reflects on her 25 years living in this now-deserted desert town with Robin Markwell.

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(Photo: Chuquicamata. Credit: BBC)