【The Metropolitan Area Outer Underground Discharge Channel_Kasukabe City, Saitama Prefecture】 An impressive spot referred to as an "underground temple" near Tokyo! The Metropolitan Area Outer Underground Discharge Channel, located in Kasukabe City, Saitama Prefecture, is one of the largest underground waterways in the world. During Japan's rainy and typhoon seasons, the tunnels play an important role in preventing flood damage in the Tokyo area. As the facility is filled with Japanese technology

🇯🇵 We Visited Japan’s Massive Underground Flood Control System 😱 We went to the famous Metropolitan Area Outer Underground Discharge Channel (G-Cans Project) — one of Japan’s most incredible engineering sites designed to help reduce flooding during heavy rain and typhoons. ✨ What to Expect: You’ll go deep underground and see a huge tunnel with gigantic pillars that honestly look like a real-life underground temple. The size is shocking when you see it in person. It really shows how serious di