Introduction to General Tomb: Located at the foot of Longshan Mountain about 4 kilometers northeast of Ji'an City, Jilin Province, it is known as the "Oriental Pyramid" and is estimated to be the tomb of King Changshou, the 20th king of the Goguryeo Dynasty. The entire mausoleum is in the shape of a square altar and is 13.1 meters high. The top area of the tomb is 270 square meters, and the bottom area is 997 square meters. They are all made of finely carved granite. The tomb has seven levels, each level is paved with stone strips, each weighing several tons. There is a passage leading to the tomb on the fifth level. The coffin-covering stone slab weighs more than 50 tons, and the three tomb-protecting stones on each side weigh more than 10 tons each. It is magnificent.