Some people inside an apartment for staff working in the complex where the film Dau is being made. The vast site being used for the film was created by director Ilya Khrzhanovsky (far right) and is called The Institute. It has been made to look like 1950s Russia in keeping with the film which is about the life of the physicist Lev Landau. Within the set's compound all actors, staff and visitors are required to dress and behave in the manner of a Soviet-era totalitarian regime, giving the production, according to some reports, the feel of a sociological experiment.