How a man-made underground cavern helps low-lying Tokyo escape flood damage
How a man-made underground cavern helps low-lying Tokyo escape flood damage Saitama, Japan — Japans environmental ministry says temperatures are rising in the country at a faster rate than the global average. That means more rain and more extreme weather events. But in Tokyo, the worlds biggest metropolis, theyve deployed a unique weapon to provide protection from floodwaters. As CBS News Lucy Craft reports, Tokyos over-developed landscape, crisscrossed by scores of rivers, is at high risk f...
Source: cbsnews.com