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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]
The sinkhole was formed in karst terrain, which means rock below the surface can easily be dissolved by groundwater circulating through the bedrock. [5] The large hole measures over 1,000 feet in length, almost 500 feet wide and 630 feet deep, with a volume of over 176 million cubic feet. [ 6 ]
Its depth and width must measure at least 100m for it to qualify as a sinkhole. Some, like the one found in Guangxi in 2022, are much bigger, stretching 300m into the earth and 150m wide ...
The latest include two Chinese spies in California and several arrested in Guam near a U.S. military installation on the same day as an historic live ballistic missile interception test.
A clipper that ran aground near Pigeon Point. "On the night of June 6, 1853, the clipper ship Carrier Pigeon ran aground 500 feet off shore of the central California coast. The area is now called Pigeon Point in her honor. The Carrier Pigeon was a state-of-the art, 19th Century clipper ship.
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Analysis by the EPA suggests that most of the DDT measured in the Southern California waters is from the barge disposal, rather than the barrels. [1] [7] [8] Military munitions, including Hedgehogs, Mark 9 depth charges, anti-submarine weapons and smoke devices, were found on the ocean floor. These WW II munitions were commonly disposed of in ...
Sign for China Camp State Park The Chinese shrimp fishing village in 2010. By the 1880s, Chinese Americans had established a village at China Camp of approximately 500 people, many of whom were originally from Canton, China. They supported themselves by shrimp fishing in San Pablo Bay or working at local businesses.