Introduction to the word "power": In 1858, the imperial envoy Seng Gelinqin guarded Dagukou, renovated the forts, and built 5 more forts, 3 of which were on the south bank and 2 on the north bank. They were named "wei", "shock" and "shock" respectively. The name is named after the five characters "hai", "men" and "gao", which means that the fort is majestic and guarding the heights of the gateway to the sea. Another fort is built on the stone wall on the north bank, and its name is "Stone Seam Fort". Each fort is equipped with 3 cannons and 25 small forts. Each fort is 10 to 17 meters high, with a base circumference of 182 to 224 meters. It is built with bricks on top and stones on the bottom, all poured and rammed with Sanhe soil and glutinous rice juice. There are a total of 64 cannons in the large and small forts, with the muzzles pointed at the magnificent waves. sea surface.