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The following is a list of sinkholes, blue holes, dolines, crown holes, cenotes, and pit caves. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. Some are caused by karst processes—for example, the chemical dissolution of carbonate rocks [1] or suffosion processes. [2]
The Xiaozhai Tiankeng has been well known to local people since ancient times. Xiaozhai is the name of an abandoned village nearby and literally means "little village", and "Tiankeng" means Heavenly Pit, a unique regional name for sinkholes in China. A 2,800-step staircase has been constructed in order to facilitate tourism. [2]
Shaanxi tiankeng cluster, in the Daba Mountains of southern Shaanxi, China, covers an area of nearly 5019 square kilometers [64] with the largest sinkhole being 520 meters in diameter and 320 meters deep. [65] Teiq Sinkhole (Taiq, Teeq, Tayq) in Oman is one of the largest sinkholes in the world by volume: 90,000,000 m 3 (3.2 × 10 9 cu ft).
Its biggest and most recent find was two years ago: an ancient forest with trees reaching as high as 40m (130ft). ... France and Germany have come in the last 10 years. Sinkholes are rare. China ...
5–10 million [42] Antonine Plague: Roman Empire: 165–180 (possibly up to 190) Likely Variola − , possibly alongside Measles morbillivirus − 9. 5–8 million [40] 1520 Mexico smallpox epidemic: Mexico: 1519–1520 Variola virus − 10. 2.5 million [43] 1918–1922 Russia typhus epidemic: Russia: 1918–1922
[There were no deaths due to deterministic effects (i.e., people receiving a high dose of radiation, rapidly becoming ill, and dying); the 100–240 figure is an estimate of the number of people who died later in life due to cancer caused by radiation from the accident [30]]. 95–4,000+ [31] [32] 26 April 1986 Chernobyl disaster.
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This list of wars by death toll includes all deaths that are either directly or indirectly caused by war.These numbers include the deaths of military personnel which are the direct results of a battle or other military wartime actions, as well as wartime/war-related deaths of civilians which are often results of war-induced epidemics, famines, genocide, etc. Due to incomplete records, the ...