Sian Ka'an

more" data-descripcion="The Biosphere Reserve of Sian Ka'an means "gift from heaven", has one of the most unique biodiversity in the world, which protects more than 500 thousand hectares of tropical ecosystems in the state. It is the third largest in Mexico, since its extension comprises part of the second longest barrier reef in the world with 110 km long, called Mesoamerican Reef System, with 23 small archaeological sites. less" style="line-height: 1.4em;"> The Biosphere Reserve of Sian Ka'an means "gift from heaven", has one of the most unique biodiversity in the world, which pro... more