This is common in Tarragona, where Roman ruins are found pretty much every time there's some digging or work in existing houses in the old city. See Tarraco: ht

This is common in Tarragona, where Roman ruins are found pretty much every time there's some digging or work in existing houses in the old city. See Tarraco: https://en.wikipedia.org/wiki/Tarraco https://en.wikipedia.org/wiki/Tarraco