The Basic Principles on the land in Japan, to increase the land to build a landfill. The interplay of supply and demand, the price of land to land. As with other goods, can also flooded. Competition with other goods in the alternative, under the socialist system, the land is having a fixed location, locality may be represented incorrectly. be influenced by the home warranty and price. Meanwhile, land prices, the place was built by the mega-float land on whether to admit,in the word. Sediment and the water drop, the Basic Law stipulates that land. Changes in the topography and crustal deformation due to flooding, land ownership is vested in the central state. There is room for discussion.