Change is typical of nature. It is a way to adapt permanently to the lasting evolution of life. Nowadays this change is happening very fast. While architecture is trying to stand the test of time, interior architecture , on the contrary, is facilitating that evolution. It is transforming spaces temporarily, being aware that it soon will change again. Interior architecture is not a purpose as such, but a medium to discover again and again the essence of the question, aswell as to develop. The last ten years the design office “tcct” has been involved in a thirthy or so designs of sacred places. An outstanding example of a fast evolving feature is spirituality. About ten projects of the last ten years are showing this evolution of social ques...