More old and new walls in Montreal

This is a postscript to a note from last month, about the imprints and layers contained in city walls. Someone else also liked the traces of old structures left on new buildings, as seen is this parking lot on rue Saint Xavier in Montreal's Vieux Port neighborhood. Click on the photos to get a clearer view of the bricked-up windows. Across the street in another parking lot is a less intentional roof imprint: