ทางตะวันออกของโตเกียว พื้นดินค่อนข้

East of Tokyo ground relatively mild thus causing the groundwater of the ground. Tokyo Bay was filled in to create a living space from the Edo era and was originally created to reclamation of garbage around since 1927, about 20 per cent of the area of present Tokyo Bay reclamation area becomes.

East of Tokyo Relatively soft ground, thus resulting in subsidence of the ground. Tokyo Bay was filled to create space from the Edo period. And began to be filled in to create a waste since 1927. At present, about 20 percent of the Tokyo Bay area were filled.

East of Tokyo. The ground is quite soft and thus cause the settlement of the ground. Tokyo Bay is reclamation area since the Edo period, and to create And begin to fill to build place waste since the year 1927.20 of Tokyo, become area is filling.