Sinkhole divers. Some of the most spectacular are the Zacatón cenote in Mexico (the world's deepest water-filled sinkhole), the Boesmansgat sinkhole in South Africa, Sarisariñama tepuy in Venezuela, the Sótano del Barro in Mexico, and in the town of Mount Gambier, South Australia. Sinkholes that form in coral reefs and islands that collapse to enormous depths are known as blue holes and often become popular diving spots. Large and visually unusual sinkholes have been well-known to local people since ancient times. Nowadays sinkholes are grouped and named in site-specific or generic names. Some examples of such names are listed below. The
Into the Void (Black Sabbath song) 35th Annual Grammy Awards, the appropriately renamed "Into the Void (Sealth)" received a nomination for Best Metal Performance. "Into the Void" has been listed as a favourite song by some of heavy metal's most notable performers. James Hetfield from Metallica lists "Into the Void" as his favourite Black Sabbath track. Eddie Van Halen has listed the song's main riff as one of his all-time favourites. 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