Up on the high plains of the Atacama Desert, Chile's largest religious festival brings tens of thousands of worshippers together for a Catholic celebration with a twist.

Snowfall in the Atacama Desert in Chile is rare, yet the unexpected winter storm on June 25 blanketed parts of the desert in snow, surprising experts.

Snowfall in the Atacama Desert in Chile is rare, yet the unexpected winter storm on June 25 blanketed parts of the desert in snow, surprising experts.