Gate in the north side of the city wall for the cardo maximus of the Roman city.
Of Augustan (ca. 25 BCE-14 CE) or Flavian (69-96 CE) date, extensively restored in 1934.
Turin (Roman Augusta Taurinorum: see on Pleiades; PECS), Piemonte, Italy.
Photo taken @ Torino on 11 May 2016 (© diffendale / Flickr)