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,
Garrison A Cricket Ground Essex played Lancashire. Used by the Colchester Garrison today, the Army play matches there, with the last recorded match coming in 2008 when the Army played Huntingdonshire there. Garrison A Cricket Ground Garrison A Cricket Ground is a cricket ground in Colchester, Essex. The first recorded match on the ground was in 1924, when Essex played their first first-class match there against Gloucestershire. Essex played 25 first-class matches there between 1924 and 1972, playing their final first-class match there against Somerset in the 1972 County Championship. In addition, the ground has also hosted 2 List-A matches, the first of which