Sian Ka’an is a biosphere reserve in the town of Tulum, Quintana Roo, Messico. It became a UNESCO patrimonio dell'umanità in 1987. Part of the reserve is on land and part is in the Caribbean Sea, including a section of coral reef. The reserve offers protection for the endangered species in the Riviera Maya and provides environmental education to the local communities to assist and train the residents working with ecotourism.
Oaxaca, also known as Oaxaca de Juarez, is the largest city and capital of the Mexican stato di Oaxaca. It is located in the foothills of the Sierra Madre Mountains from the base of the Cerro del Fortin to the banks of the Atoyac River. Oaxaca is a tourist town, featuring colonial-era buildings built with the native green stone and archeological sites such as Monte Alban, named a patrimonio dell'umanità in 1987.
(Foto Via: Wikicommons)