The Great Wall of China - the modern wonder against the mongol hordes
The Great Wall of China is one of the most impressive defensive architecture in the world. A bit of History: The Great Wall of China is one of the modern wonders of the world. It consists of a series of fortifications made of stone, brick, tamped earth, wood, and other materials. It is built along the east-to-west line across the northern borders of China, from Dandong in the east, to Lop Lake in the west, roughly along the southern border of Inner Mongolia region. The main purpose was to protect the empire against the raids and invasions of the mongols and other nomadic groups that inhabited the Eurasian Steppe. The construction started as early as the 7th century BC with few walls. Later, the isolated pieces are linked together, making it stronger into what now we know and call the Great Wall. Important enhancement of the wall happened during the first Emperor of China, Qin Shi Huang, but little of his construction work is still visible. The wall ha...