600-year-old citadel in Xi'an

Xian is one of the oldest Chinese capital, the capital of Shaanxi Province, associated with characters like Qin Shi Huang, Tang Ming Huang, and Vo Tac Thien .

Explore the ancient city of Xi'an, China

On October 26, Facebook founder - Mark Zuckerberg - visited the city which was the origin of the legendary Silk Road.He showed off his photos when he jogged in the ancient city, visited the land symbol in the tomb of Qin Shihuang and prayed at the famous sacred Great Tower.(Photo: Glogster).

Tay An ancient citadel was built by Chu Nguyen Chuong, the first king of the Minh Dynasty, and now has a history of over 600 years.The wall is 12m high, the wall is 18m thick, on the surface 12-14m wide, the circumference is 13.74km with a deep moat surrounding.Every 120m there is a watchtower, a total of 98 pieces.(Photo: Nipic).

The wall has 4 gates: Lac Mon, An Dinh Mon, Vinh Ninh Mon and An Vien Mon are located at 4 east, west, south and north respectively.In that door, Vinh Ninh's walls are beautifully decorated.This is also a place to attract tourists to visit and admire.(Photo: Baike).

Each gate has 3 towers, one of which is outside, separated from the walls used to lift and lower the bridge hanging through the trench.Between the gates there is a steep path leading to the top of the wall.(Photo: Hexun).

On the outside of the wall there are 5 948 apricot holes for soldiers to observe the name, the inside has a railing.Wall construction materials are also very special.Initially the walls were built with soil, lime and glutinous rice extracts mixed together.After that, the wall was built entirely of bricks.(Photo: David Hogsholts / New York Times).

Today, the walls are primarily open to visitors by walking or cycling on the perimeter.Coming to Xi'an, visitors can choose bicycle facilities to admire the ancient city walls and the landscape of the whole city.(Photo: Curiouscatontherun).

Xi'an is one of the most attractive tourist destinations in China. According to the press and tourists, the reputation of Xi'an can rival the Athens Capital of Greece, Cairo of Egypt and Rome of Italy. Local people also say that 'you can find many historical artifacts just under each step'.(Photo: David Hogsholts / New York Times).

Visitors can visit the walls through different doors.The north gate of Nanmen is open from 8-22h daily.Ham Quang door is open from 8-17h30 daily.Other gates, opening times based on each month: From November to April will be open from 8-18h, from May to October will be open from 8-19h, from November to the end of March will open door from 8-18h.(Photo: Nipic).