PREVIEW
... sound of steam-hauled mining engines.
Looking over, the entire Sugar Black-Iron Mine was a busy scene of laborious work.
Tall steel steam cranes moved back and forth to transport the excavated ores to the supernatural steam locomotives.
As for the several huge mines that were 20 meters high, the supernatural high-pressure steam engines, through mechanical wheels, moved the tracks and transported a large amount of ore from the depths of the mines.
On one side, the ...
YOU MAY ALSO LIKE