Equipped with water shoes, wetsuits, masks, lamps and waterproof bags, the team of The Explorers immerses itself in the 62.6°F (17°C) water of the underground freshwater river flowing in the chasm located at the entrance to the Qanono caves. To reach the seven interior cavities and be able to explore them on dry feet, you must first immerse yourself in this pool of water and then crawl between the stalactites in a space of less than 3.2ft of diameter.