The Luoyang Bridge is also called the Bridge of Security. It is located across the Luoyang River about 10km to the northeast of Quan Zhou, being the 1st. big stone bridge at a sea port. The building of the bridge began in the 1st year of the reign of Huangyou of Song (1053) and the construction was not completed until five years later. It was originally 1200m in length, 5m in width, with 46 bridge piers. On both sides of the bridge there are delicately carved stone lions and warrior guards. In building the bridge the "raft type foundation" and "Oyster consolidation" methods were first introduced in the world history of bridge building, which is a scientific contribution indeed.