NR-1 Sinkhole interest, as sinkholes are generally believed to form only in environments which are subaerial, or exposed to the air. In contrast, the NR-1 Sinkhole is believed to be too deep underwater for the area to have been exposed to the air during formation in the Neogene. It was the first documented evidence suggesting that it is possible for karst sinkholes to form entirely underwater. NR-1 Sinkhole The NR-1 Sinkhole is a giant underwater sinkhole located in the Straits of Florida southwest of Key West, Florida. It is found at an approximate depth of of water at the foot of 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