Let's Look at Water

Let's Look at Water

Let's Look at Water


(6 a partire dal 35 utenti)

0h 21m 1947 HD

orologio Let's Look at Water en CB01 OFFICIAL. 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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