At the heart of the urban area of ​​Töölö is a unique church in a rock. Timo and Tuomo Suomalainen built it in 1969. The internal volume of the church carved into the rock. The dome of glass and copper based on the wall-rock. The inner surface of the dome is made of copper plates, stacked in a spiral, which creates the illusion of a very high arch, even though the distance from the floor to the top point is 12 meters. Putting the church has excellent acoustics. There are concerts of organ and violin music.