Let's Look at Water

Let's Look at Water

Let's Look at Water


(6 desde 35 usuarios)

0h 21m 1947 HD

Let's Look at Water en Cuevana3. This short documentary shows how a city's water supply is purified at a filtration plant. The complex system of the underground mains that supply all parts of the city with water is also illustrated, as is the safeguarding of water supplies on trains, ships and aircrafts.

Let's Look at Water (1947)
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