Longyou Caves
UndergroundAsia
24 man-made caverns in China discovered in 1992, carved from siltstone. No historical records of their construction. Uniform chisel marks across enormous chambers.
Look Closer — this site carries open questions: tool marks suggesting advanced machining.
Open in the Atlas map →
Walkthrough videos (7)
The Impossible 2,000-Year-Old Engineering of China's Longyou CavesWandering Wolf
The Longyou Caves Mystery: Ancient Engineering & Hidden Grottoes of ChinaWandering Wolf
Longyou Caves, China! Two-Hour Close-Up Gimbal Walkthrough of All 5 Open CavesMark Leithead
Pre-Historic Mega Structures In China (Longyou Caves section)Universe Inside You
Gigantic Ancient Megastructures in China — Built By Unknown Civilization (Longyou Caves section)Universe Inside You
The Mysterious Longyou Caves in ChinaAgeless Rock
Bazda CavesAgeless Rock
Nearby sites
- Huashan Grottoes120 km
- Keyan Big Buddha175 km
- Yangshan Quarry337 km