and in Autumn 2016 Pudasjärvi Log Campus opened for public. Natural light and pure air, one of the particular features of the house is the presence of natural light. It is no wonder that the traditions of log house construction are very well cherished and its benefits are very well understood in Pudasjärvi! Photo by Alexander Kuznetsov / Rovaniemi Log House. Wood is the natural choice against the mold as it purifies and energises the indoor air. The latter will also be responsible for the upkeep of the building for the next 25 years.