THE TRACE: AN ARCHITECTURAL PALIMPSEST A trace is an element that speaks to us and allows us to understand, decrypt and transmit a message from the past. The subject of traces is a temporal one. Any built place is made from material that has to face various changes, including damage, natural erosion, rehabilitation, standards upgrades. The future of these places is uncertain. Traces can have a history, a value, be it old, historic, commemorative or sentimental. To what extent can traces bring architecture into a dialogue with the past?