Fuling's Mysterious Underground Great Wall

Sisters, quickly save this‼️ This "Underground Great Wall" in Fuling, Chongqing is absolutely amazing💥

🏭 "Project 816" is a must-visit!
This is the real mysterious grand production!
A top-secret nuclear project declassified only in 2002⚛️
It will completely change your perspective!
Come and open your eyes👀

📜 Hardcore history:
- The second nuclear raw material base during the Third Front construction period
- Construction started in 1966 and stopped in 1984
- Over 60,000 people fought passionately for 17 years to achieve this
- Total engineering volume ≈ the size of the Three Gorges Dam❗
(Fun fact: a product of the era of digging deep caves and storing grain)

💎 World-class data king:
✅ 18 open chambers and over 130 branch tunnels
✅ Total axial length over 20 km (equivalent to circling a playground 50 times!)
✅ Construction area 104,000㎡ (14 football fields!)
✅ Main tunnel 12 stories high, 79.6 meters (equivalent to a 26-story building!)
✅ Can shelter up to 3,000 people living underground for half a year

💡 Exploration tips:
1️⃣ Bring a strong flashlight! It helps reveal hidden details🔦
2️⃣ Recommend "repeated group tour mode":
➡️ Wait for the next group at key points like the reactor hall
(I followed 3 groups to understand all the secrets)
3️⃣ Perfect for social anxiety stars!
The echo effect in the spacious chambers is super... amazing...

🌐 Practical info:
📍 Navigation: Fuling Wujiang Chishui 816 Town Scenic Area
⏰ Open: 8:30 AM - 5:30 PM
💰 Ticket: 65 RMB including guide + shuttle bus
(Zhejiang friends get free tickets!)
🚗 Transportation:
- Bus: Direct from Fuling North Station via routes 208/208C
- Self-drive: Free parking at the scenic area🅿️

⚠️ Friendly tips:
✔️ No radiation! Officially certified safe
✔️ Requires 1.5 hours walking + stairs
✔️ Recommend wearing comfortable sports shoes
✔️ Constant temperature inside the cave is 18°C, remember to bring a jacket

Photo spots📸:
✅ Reactor hall with green industrial style (most photogenic!)
✅ Super long tunnel with no people mode
✅ Giant pipeline mecha style