tokyo

  • Tokyo Has The Largest Underground Water Tank In The World

    Tokyo Has The Largest Underground Water Tank In The World

    This enormous, cathedral-like building is the main water tank of the Metropolitan Area Outer Underground Discharge Channel facility in Tokyo, Japan, which is one of the most famous water infrastructure complex in the world, and also the world’s largest underground flood diversion facility.


  • Briefly: A Radar Image Of Tokyo

    Briefly: A Radar Image Of Tokyo

    This radar image of Tokyo was acquired by the European Space Agency’s Sentinel-1A satellite earlier this year. The data is so accurate that it can monitor ground movements down to a few millimetres — which helps urban planners know where they can and can’t build. [ESA]