Huangyaguan Great Wall
Huangyaguan Great Wall (http://www.china.org.cn/english/olympic/218524.htm) runs on the ridge of mountains to the north of Jixian County, Tianjin. Part of the cultural heritage of the world, it was initially built in Northern Qi Dynasty (550-577) and later renovated and lengthened in Sui Dynasty (581-618) and again during the Ming Dynasty (1368-1644). The ancient Great Wall of this section had a length of 42 km (about 26 miles), but it suffered extensive damage throughout its long history. In 1987, it was repaired and opened to tourists.
In 1990, it was named one of the top scenic places of the Tianjin Municipality.