Schematic introduction: Schematic diagram of the salt mine's passage. The elevator on the left is designed for miners to go up and down, the one in the middle is a tourist elevator, and the one on the right is still under construction.
Schematic introduction: Schematic diagram of the salt mine's passage. The elevator on the left is designed for miners to go up and down, the one in the middle is a tourist elevator, and the one on the right is still under construction.