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Alpine glacier covered in canvas to prevent summer melting

Michaela Rehle / Reuters

Workers install canvas covers on the glacier ice on top of Germany's highest mountain, the 2,962 metre (9,718 feet) Zugspitze, near the southern Bavarian resort of Garmisch-Partenkirchen on May 10. To keep ski-lift sections safe for the winter season, the glacier ice is protected from melting between May and September.