Introduction to Haoqi Changcun: Haoqi Changcun Archway was completed in 1936 (the 25th year of the Republic of China). It is 31 meters long, 3 meters wide and 13 meters high. On the forehead of the door is engraved with granite the words "Haoqi Changsun" inscribed by Dr. Sun Yat-sen. "Long-lasting" are four gilded characters.