Desc: Vanha puukaupunki varo!: Directed by Lauri Törhönen. With Viljo Laaksonen, Tuovi Sundell, Ilkka Saranen, Sirkka-Liisa Saranen. A social documentary of the wooden house district "Puu-Vallila" in Helsinki, which is under threat of demolition. A working-class neighborhood has 750 apartments and 1500 residents.