
Chongqing 816 Nuclear Plant: The World’s Largest Underground Cavern
The world’s largest man-made underground cavern. Travel guide with history, tickets, transport, and tips.
816 nuclear base chinaColdWarHistoryHistorical sites
Recommended Tour

Wulong Three Natural Bridges + 1 Extra Spot
+ Longshuixia Fissure / 816 Nuclear Plant / Fairy Mountain
11 hours
Starting fromCNY700.00/Pax