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To construct their fog collectors, residents of Bellavista, Peru--including the group seen above in 2007--worked on Sundays transporting bricks and heavy bags of sand up a steep hillside to their settlement outside Lima.
The bricks and sand were used to build a 9,510-gallon (36,000-liter) reservoir on a hilltop to collect water from fog-catching nets, built by conservationists Kai Tiedemann and Anne Lummerich.
"We transported exactly 1,800 bricks this way," Tiedemann said. Bags collectively containing ten tons of sand, he joked, "weren't as easy to throw."