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.
Great Wall 101: An Overview. The Great Wall is a whopping 21,196 kilometres long, spanning East to West across China. The winding stone walls are connected by watchtowers that rise and dip over the countryâs hilly mountainside.