
It was built in 1917 designed by the Gustave Eiffel cabinet, and is currently adapted for use as a railroad and mining museum. It has a capacity of approximately 14,000 square meters, built with riveted rivets, not welded, a sign of identity of this architect, as well as the Eiffel Tower. It stands out for its natural luminosity, which is achieved by means of the sawtooth roof. Inside the building there was a wide track that led to the different sub-fences of the Industrial Fence, to transport and store the merchandise and raw materials used in the manufacturing processes, as well as the maintenance and material of the fence. In its time, it allowed the entry of goods wagons for loading and unloading.
It currently houses several railroad engines, a visitable reproduction of a mine and traveling exhibits.