Le bras de levier et la rivière
Le bras de levier et la rivière
Le bras de levier et la rivière 온라인 무료 HD. In the film, produced for the series "Young Scientists", for the CBC, a group of young people on vacation share the discovery of the application of the lever in some applications of everyday life.
- 장르: 다큐멘터리
- 국가: Canada
- 감독: Michel Brault
- 배우: