The Ixtlan Cave Exploration Project
The Ixtlan Cave Exploration Project The making of the longest single-entrance underwater cave in the world by Ivo Kalushev, leader of the ATI Cave Exploration Team – Yucatan, Mexico 28 December, 2017 ( * updated January 2021 ) Ivo is the director the the speleology division of the EMKGI, leader of the ATI Cave Exploretion […]