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Eco-photos of the week: Aug. 28-Sep. 3

Hop farmer Rudolf Pfab fills a silo with bright green hop in Wolnzach, Hallertau, Germany on Aug. 28.

Photo: Andreas Gerbert

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Hop harvest

Hop farmer Rudolf Pfab fills a silo with bright green hops in Wolnzach, Hallertau, Germany, on Aug. 28.

As the world largest's hop growing area, Hallertau produces 25 percent of the world's hops.