Introduction to Common Gate in North Korea: Common Gate is located on the banks of the Common River in Pyongyang, the capital of North Korea. It is one of the city gates in Pyongyang, the capital of the ancient Goguryeo Kingdom. The city gate was built in 1473. The city wall is made of gray bricks and is nearly 12 meters thick. , there is a Chinese-style wooden double-eaves Xieshan-style tower built on the city wall. The shape is light and elegant, like a roc fluttering its wings, which is the essence of ancient Korean architectural art.