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MUNICH, GERMANY - JULY 14: A surfer on the Eisbach, a man made river using the Isar River as it's source of water which flows through the Englischer Garten on July 14, 2010 in Munich, Germany. The river forms a stationary wave which has been used by surfers since 1972. (Photo by Steve Williams/Getty Images)

MUNICH, GERMANY - JULY 14:  A surfer on the Eisbach, a man made river using the Isar River as it's source of water which flows through the Englischer Garten on July 14, 2010 in Munich, Germany. The river forms a stationary wave which has been used by surfers since 1972. (Photo by Steve Williams/Getty Images)