The Cree Buildings System to design and build office buildings is called the LifeCycle Tower (LCT) system. LCT ONE, an eight story office building, is the first demonstration project designed and built according to the LCT system. The LCT ONE (LifeCycle Tower ONE) is a pioneer construction in many respects. The project is the first eight-floor wooden building in Austria. It is the first high-rise building made in wood construction.