Let's Look at Water

Let's Look at Water

Let's Look at Water


( 127 ユーザー中 6 )

21 分 1947 HD

「Let's Look at Water」フル ムービーをオンラインで視聴し、無料の をダウンロード. 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
Let's Look at Water (1947)

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