Introduction to Stone Sea: "There is a stone forest in the south and a sea of ​​stone in the north." These are two famous geological landscapes in China. Stone sea is a layered basalt landform, which is the product of the movement of magma. One of the most amazing sights in Wudalianchi is the "Sea of ​​Stones", a blue-gray basalt sea connected to the blue sky. Looking from a distance, the sea composed of flowered lava has undulating waves and is vast.