Sinkhole rain. An analysis of a case of sinkhole formation under a retention pond due to a large amount of rain can be seen in a sinkhole collapse study. Sinkholes have been used for centuries as disposal sites for various forms of waste. A consequence of this is the pollution of groundwater resources, with serious health implications in such areas. The Maya civilization sometimes used sinkholes in the Yucatán Peninsula (known as cenotes) as places to deposit precious items and human sacrifices. When sinkholes are very deep or connected to caves, they may offer challenges for experienced cavers or, when water-filled,
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