Great Wall of China in Huairou town, China
This place open from7:30 AM–5:30 PM. The wall is separated by a fort. Of ancient China, built in the Qin Emperor’s first time. Most of the walls are nowadays built in the Ming Dynasty. In order to prevent the Mongol invaders and invaders. After that, the wall was built several times again. Later, there were nomadic tribes from Mongolia and Manchuria, able to invade the wall of China has achieved a total length of 6,350 km and is one of the seven wonders of the Middle Ages. It is believed that looking at China from space can see the wall in China.