"Air bomb”

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What is remaining of this structure that we see made of stone and lime are old and its construction was done when motors and electricity were expensive or inexistent.

The structure created a waterfall to push a pumped system powered by the same energy that it produced and to move masses exceeding more than five meters high (Imatge de wikipèdia autorAlfonso Gonzalez ).

The reason for being in this particular point is that it was necessary to bring water to crops located at a higher height of the river and channels from anvil.

An inventor of the Llémena valley perfected the design and patented it, manufacturing it all over Europe.