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An advertising billboard erected along the Pan-American Highway is also home to some hidden harvesting, conversion and purification mechanisms (including an air filter, condenser, carbon filter and cold tank). The electric system takes moisture from the humid air by means of reverse osmosis and delivers purified drinking water through small ducts at the foot of the billboard, and down to a tap at the base of the structure. The billboard is reported capable of producing 96 liters (over 25 gallons) of water every day for the locals, or for travelers who stop for refreshment, and has already notched up an impressive 9,450 liters (2,496 gallons) of potable water out of thin air since its installation in December 2012.