Cenote Ik Kil, Yucatan
Cenote Ik Kil, Yucatán, 2016
…The expansive north of the Yucatan Peninsula contains no rivers and next to no above ground sources of potable water. Instead, the Peninsula’s fresh water is contained in the world’s most extensive flooded cave systems, accessible only via the numerous cenotes (sinkholes) that pierce the region’s surface...
Maria de Lourdes Melo Zurita and Paul Munro