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Let's Look at Water
Let's Look at Water
《Let's Look at Water》線上看,高清完整版. 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.
- 電影類型: 纪录
- 國家: Canada
- 導演: Harold Randall
- 演員: Vincent Paquette,