Discovered 1992 in eastern China: 24 caverns (now 36 known), each roughly 1,000 sq m with ceilings up to 30 m high. Workers removed an estimated 1 million cubic meters of rock - equivalent labor to major Egyptian pyramids. Consistent chisel marks everywhere. Rock simply vanished. No records mention the project. Dated to more than 2,000 years old.
Key facts claimed:
- Discovered 1992 by farmers draining ponds in Qujiang District, Zhejiang province, eastern China (not Yu Jang)
- Originally 24 caverns discovered, now 36 known, each roughly 1,000 sq m with ceilings up to 30 m high
- Total excavated area approximately 30,000 square meters
- An estimated 1 million cubic meters of rock removed (2.5 million tons)
- Would require 1,000 workers operating 24/7 for 6 years to complete
Sources
The Mystery of the Longyou Caves - HeritageDailyheritagedaily.comLongyou Caves is a complex of 24 artificial caves, constructed into the sandstone geology of Fenghuang Hill in the Zhejiang province of China.
Ten Enduring Mysteries of the Longyou Cavestranscend.orgFirst discovered in 1992 by a local villager, 36 grottoes have now been discovered covering a massive 30,000 square metres. Carved into solid ...
Longyou Caves - Wikipediaen.wikipedia.orgThe Longyou Caves (Chinese: 龙游石窟), also called the Xiaonanhai Stone Chambers (Chinese: 小南海石室), are a group of 24 artificial sandstone caverns ...
Archaeological Wonders: The Unsolved Longyou Caves Mysterydiscoveryuk.comThe excavated area is estimated to be around 30,000 square metres and the average floor area of each cave is over 1,000 square metres, with ...
Villager Stumbles On Sprawling 36,000-Square-Yard Cave Grotto in ...theepochtimes.comFirst discovered in 1992 by a local villager, 36 grottoes have ... estimated to be around 1,308,000 cubic yards (1 million cubic meters).
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