An underwater photographer has captured Mexican caves that look like something out of a science fiction movie beneath our feet. Martin Broen, from New York, snapped these images while visiting the Yucatán Peninsula. Martin says he’s obsessed with capturing the beauty and photographic diversity of the cenotes and cave systems. A cenote is a natural pit, or sinkhole, resulting from the collapse of limestone bedrock that exposes groundwater. The regional term is specifically associated with the Yucatán Peninsula of Mexico, where cenotes were commonly used for water supplies by the ancient Mayan civilization. Martin says that the flooded caves of Yucatan offer a unique set of scenarios that can’t be found anywhere else in the world. “A combination of the feeling of flying as the water is crystal clear, the light effects created by the sunlight coming into the cenote, and the spooky feeling of the hydrogen sulphide clouds,” Martin said. …