BERLIN.- How much does your building weigh, Mr. Foster? has been selected by some of the most important film festivals in the world such as the 60th Berlin International Film Festival (Berlinale Special Section) and the 58th San Sebastian International Film Festival (Pearls selection, a selection of the year’s best movies.) The Spaniard Norberto Lopez-Amado (Nos miran, 2002) and the North American Carlos Carcas (Old Man Bebo, 2008) directed this documentary, which was produced by Art Commissioners (art advisory and film production company led by Elena Ochoa) in association with Aiete Ariane Films (a production company led by Imanol Uribe and Andrés Santana). This film is an ambitious project of international scope, produced in Britain and Spain and filmed in over 10 countries over the course of the last two years. How much does your building weigh, Mr. Foster