Dersios sinkhole SELAS caving club in Greece has been exploring the cave, doubling the depth and more than tripling the length of the sinkhole. The new discoveries were made in 2003 by cave diving the first sump and emptying it by siphoning the water and in 2005 by emptying sumps in side passages of the sinkhole. Dersios sinkhole The Dersios sinkhole (Greek: Σπηλαιοκαταβόθρα "Ο Δέρσιος" "Spilaiokatavothra "O Dhersios"") is a sinkhole in Arcadia, Greece. The sinkhole, which has a depth of , has been known since antiquity and is located towards the north end of the plateau of Palaiochora at a height
Into the Void (Black Sabbath song) Into the Void (Black Sabbath song) "Into the Void" is a song by Black Sabbath, released in 1971 on their album, "Master of Reality". An early version of "Into the Void" called "Spanish Sid" was released on the deluxe edition of "Master of Reality". It is written in the key of C# minor. Various artists have covered the song, including Soundgarden, Kyuss, Monster Magnet, Melvins, Sleep, Dr. Know, Cavity, Exhorder, Lumsk, Dimmi Argus and Orange Goblin. In Soundgarden's version, the original lyrics are replaced by words of protest by Chief Seattle, which fit the metre of the song. At the