Watch Online Free HD Solarmovies. They Planted a Stone is a 1953 British short documentary film directed by Robin Carruthers and produced by James Carr. The film portrays how dams, barrages and irrigation canals were constructed on the Nile in Sudan, to generate hydroelectricity, irrigate the desert and create such projects as the Gezira Scheme. It was nominated for an Academy Award for Best Documentary Short.