Watch Online Free HD Solarmovies. This documentary tells the story of Tateh Lehbib, a Saharawi refugee who after studying Renewable Energy at the University of Algiers and then a master's degree in energy efficiency at the University of Las Palmas de Gran Canaria, has designed a type of shelter made with plastic bottles filled with sand. This innovative circular shelter aims to improve the harsh living conditions experienced in the desert in Tindouf, reducing internal temperature and offering a better resistance to sandstorm, while having an eco-friendly purpose by reusing plastic bottles.