Let's Look at Water
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.
- 유형: 다큐멘터리
- 사진관: ONF | NFB
- 예어: transportation, water supply, urban, water purification, city
- 캐스트: Vincent Paquette