The Temppeliaukio Church (Finnish: Temppeliaukion kirkko) is a Lutheran church in the Töölö neighborhood of Helsinki. The church was designed by architects and brothers Timo and Tuomo Suomalainen and opened in 1969.
The interior was excavated and built into the rock but is bathed in natural light entering through the glazed dome. The church is used frequently as a concert venue due to its excellent acoustics. The acoustic quality is ensured by the rough, virtually unworked rock surfaces.
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