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,
Close to a World Below a World Below" a near-perfect 9.7 out of 10 praising Ross Dolan's vocals along with the overall brutality of the album. Close to a World Below Close to a World Below is the fourth album by Immolation. It was released on Metal Blade Records in 2000. Since its release, "Close to a World Below" has received universal acclaim. Todd Nief of AllMusic gave the "Close to a World Below" four and a half stars, calling the album a late-career classic. He stated that with "Close to a World Below", Immolation released one of the most profound and creative death metal