Kaifeng - Anyuan gate (north gate):
now the Kaifeng city wall was scavenges light for 22 years (in 1842) to reconstruct, the height 8 meters, the width 5 meters, the perimeter 14.4 kilometers, the blue brick structure, was roughly close with the Tokyo inner city scale. Although is inferior to greatness the Song Cheng, but still for only the time in the Xi'an city wall's home second big city wall, and is listed as the country key Cultural relic preservation organ. although for several hundred years, Kaifeng city wall after flood and havoc of war, but was still maintaining the Yuan, the bright time architectural style and the scale. In order to maintain Kaifeng to take the historical city the overall style, started from 1994, the Kaifeng people's government started to the Kaifeng city wall to carry on the renovation. After the renovation, former days collapsed the remnant wall no longer saw, has reappeared in initially the history the magnificent grand appearance.