Chile has built the world's largest swimming pool. Located 100 km west of Santiago in the resort of San Alfonso del Mar (San Alfonso del Mar resort), swimming pool stretches to a length of 1 km, covering an area of 8 hectares. To fill it requires 2, 5 million gallons of water, which is delivered from the Pacific Ocean.
Guinness World Records has recognized this gigantic structure the largest pool in the world. Construction of the facility at a cost of 1, 5 billion. Dollars. The decision to build the pool was made in connection with the pollution of the ocean and a large number of sharks off the coast.