The Great Wall of China - collective name for defense systems composed of natural dams, the network of forts and towers of observation, and (in the most strategic places) walls of beaten earth, brick or stone, the lining of the northern China against invasions of the peoples of the Great Steppe.

Imperial Palace, which is the main residence of Emperor of Japan, is located in central Tokyo and surrounded by administrative and governmental districts. On this photo there is also seen Otemachi ? financial center and headquarters for large Japanese corporations.