Watch Yellow waterbottles (1970) : Full Movie Online Free The documentary Bidons Jaunes (Yellow waterbottles) provides insight into the problematic water supply of Lubumbashi, the second largest city in DR Congo. Students from the film and theatre school from Lubumbashi (ETFL) realized the film together with students at the RITCS (Erasmus University College Brussels), under the guidance of teachers from both schools. The documentary is produced by UCOS (University Centre for Development Cooperation) and TWHA (Third World Health Aid).