Introduction to the Three Kingdoms at a Glance: is located at the junction of China, Russia and North Korea. Looking to the south, the Tumen River slowly recedes into the distance, with the Russian-North Korean Railway Bridge crossing the river; to the southwest, Domanjiang City, North Korea, has undulating mountains and green willows and blue rivers; to the southeast, there is Bodgornaya City, Hasan Town, Russia. The mountains here hug the sea, and the sea embraces hundreds of rivers, which shows the vastness of the sky and the beauty of the earth.