Glass (niderl. Glas) - a color documentary film in 1958 by Dutch director Bert Hansstra. The first Dutch film, received an Oscar. The total number of prizes is about 20, among which, in addition to Oscar in 1960, the Silver Bear of the 1958 Berlin Film Festival and the 1959 BAFTA prize in the category "Best Documentary." It is considered one of the most influential films in the history of cinema, taught in Belgian, Dutch and American film academies.