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Eco-photos of the week: March 20-26

A young chimpanzee peeks out from the warmth of its mother at a zoo in Gelzenkirchen, Germany on March 21.

Photo: Julian Stratenschulte

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Peekaboo

A young chimpanzee peeks out from the warmth of its mother's embrace at a zoo in Gelzenkirchen, Germany, on March 21.