Diving into the Unknown (original title Takaisin pintaan) is a 2016 Finnish film directed by Juan Reina. Four Finnish cave divers face their worst nightmare...

It is the deepest cave in Northern Europe. Most caves in Rana, of which there are some 200, are not suitable for diving. A popular cave diving destination...

cavern dive into a cave dive. Contrary to cenote cavern diving, cenote cave diving requires special equipment and training (certification for cave diving)....

example, Sump 1 in Swildon's Hole). This is known as "free diving" and can only be attempted if the sump is known to be short and not technically difficult...

word narrow probably has the same origin. The noun "ponor" used in contemporary Slovak and Czech has similar meaning - "dive" or "submerging". Several...

The underwater diving environment, or just diving environment is the natural or artificial surroundings in which a dive is done. It is usually underwater...

Recreational cave-diving is generally considered to be a type of technical diving due to the lack of a free surface during large parts of the dive, and often...

tunnels, sewers and aqueducts, such as the various inlets and outlets of the Cloaca Maxima in Rome. Cave diving – Diving in water-filled caves Caving – Recreational...

– Bahamas. The second deepest known sinkhole under the sea, depth 203 m (666 ft). Popular location for world championships of free diving, as well as...

Sponge diving is underwater diving to collect soft natural sponges for human use. Most sponges are too rough for general use due to their structural spicules...