Deep in the Sahara desert is the world's longest conveyor belt system. I went to see this king of conveyors, to find out why it was built, only to discover how its story is deeply intertwined with an international border dispute...
CREDITS
Original map of Morocco Protectorate by Cradel (adaptations are my own work) - [ Ссылка ]
Phosphate stats from US Geological Survey - [ Ссылка ]
Map music from the Map Men series by Jay Foreman - [ Ссылка ]
