In Amsterdam, the student residence of keetwonen is built with recovery containers stacked on 5 floors. Each of these 28 m² metal boxes has been revised, corrected, equipped with a French window, a bathroom and a kitchenette. For 250 € per month, heating, electricity and Internet included, the students are enchanted . So much so that this solution tries many cities out of university residences. A first experiment will take place in Le Havre at the beginning of 2010.