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View of the Calakmul Bisophere Reserve from the top of Structure II, the Great Pyramid at the Mayan ruins of Calakmul, Campeche, Mexico. The Reserva de la Biosfera de Calakmul covers 7,231.85 square km and was established in 1989. Calakmul was made a UNESCO World Heritage Site in 2002.
View of the Calakmul Bisophere Reserve from the top of Structure II, the Great Pyramid at the Mayan ruins of Calakmul, Campeche, Mexico. The Reserva de la Biosfera de Calakmul covers 7,231.85 square km and was established in 1989. Calakmul was made a UNESCO World Heritage Site in 2002.