“Aided by the longest conveyor belt in the world, a steady stream of chalky white powder emerges on the North African coast from deep within the desert. The belt, its presence betrayed by the bright windswept powder scattered around it on the brown earth below, travels 61 miles across the rugged terrain of Western Sahara, from the mines of Bou Craa to Port El Aaiún, where massive ships transport its contents across the globe.”

Alex Kasprak, The Desert Rock That Feeds the World

Aerial photographs of open pit phosphate mining in Central Florida, USA
Hahnemühle Fine Art Paper, 2015