Chain of tank-like fortresses would protect Japan from natural disasters and human enemies

These gloomy citadels are just a concept design, one that imagines a massive defense network that could surround and defend Japan. Using a chain of breakwaters and drainage channels, these fortresses would protect the coast from tsunamis, while serving as an added layer of defense for man-made threats to the islands. »5/05/12 3:30pm5/05/12 3:30pm