Quick Summary: Fifty metres under Tokyo lies a subterranean world — 6.4 kilometres of tunnels, water tanks and massive pillars constructed ... Japan created one of the greatest engineering megaprojects in history — the G-Cans
Inside Tokyos 2 Billion Flood Proof Underground Tunnel - Planning Snapshot
Overview
Fifty metres under Tokyo lies a subterranean world — 6.4 kilometres of tunnels, water tanks and massive pillars constructed ... Japan created one of the greatest engineering megaprojects in history — the G-Cans
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Important details found
- Fifty metres under Tokyo lies a subterranean world — 6.4 kilometres of tunnels, water tanks and massive pillars constructed ...
- Japan created one of the greatest engineering megaprojects in history — the G-Cans
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