Sean is a very popular first name for men (#94 out of 1220, Top 8%) and also a very popular surname for both adults and children (#31492 out of 150436, Top 21%). (2000 U.S. Census).
Follow Us: Membership. The Great Wall of China is a barrier fortification in northern China running west-to-east 13,171 miles (21,196 km) from the Jiayuguan Pass (in the west) to the Hushan Mountains in Liaoning Province in the east, ending at the Bohai Gulf.
Updated March 03, 2017. The Great Wall of China is not a continuous wall but is a collection of short walls that often follow the crest of hills on the southern edge of the Mongolian plain. The Great Wall of China, known as long Wall of 10,000 Li in China, extends about 8,850 kilometers (5,500 miles). Building the Great Wall of China A first set of walls, designed to keep Mongol nomads out of China, were built of earth and stones in wood frames during the Qin Dynasty (221-206 BCE). Some additions and modifications were made to these simple walls over the next millennium but the major construction of the modern walls began in the Ming Dynasty (1388-1644 CE).