The Peruvian Tunnel and Dam
S7, E3: Designed to improve the agricultural prospects of western Peru, the new tunnel through the Andes will be one of the deepest in the world. Danny explores the life-changing plans.

S7, E3: Designed to improve the agricultural prospects of western Peru, the new tunnel through the Andes will be one of the deepest in the world. Danny explores the life-changing plans.