Islands under a tent roof. A church as an open space, which is adapted to the needs of the present with precise installations:sometimes a successful conversion consists of doing only the bare necessities, but with conviction. The catholic Holy Spirit Church in Ergenzingen, Germany was built in the sixties. This impressive building has now been renovated by bfa from Stuttgart. On the one hand the size of the building no longer corresponded to the number of members and the liturgical practices, on the other the community needed more space for additional activities such as concerts or exhibitions.