Speleologist
A speleologist is a specialist in the exploration and study of caves and underground spaces. This term also includes enthusiasts who explore caves recreationally or on an organized basis. Speleology includes the study of the geology, biology and hydrology of the underground world. Speleologists use special techniques and equipment to explore these spaces and discover new cave systems and biodiversity. Their work brings knowledge about geology and life underground and contributes to the protection of these environments.