Double bill of documentaries about how Paris became the city it is and the possible developments it could undergo in the future. Stan Neumann's 'Paris: 19th Century - the Invention of a Modern City' is based on the work of art historian Francois Loyer, and explores how Paris transformed into a modern city and became the capital of France. Richard Copans's 'Paris Periph' examines the outskirts of the city and the possibility of turning noise pollution into energy.