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
Collapse into Now ways, but still capable of quietly insinuating surprises. All songs written by Peter Buck, Mike Mills and Michael Stipe, except as noted. Collapse into Now Collapse into Now is the 15th and final studio album by the American alternative rock band R.E.M., released on March 7, 2011, on Warner Bros. Produced by Jacknife Lee, who previously worked with the band on "Accelerate" (2008), the album was preceded by the singles, "It Happened Today," "Mine Smell Like Honey", "Überlin" and "Oh My Heart". Regarding the album's title, lead singer Michael Stipe noted, "It's the final thing I sing, the last song