archive.org/web/20161102161038/http://www.panoramio.com/user/5343693?with_photo_id=125212127 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102161453/http://www.panoramio.com/user/5441114?with_photo_id=107411279 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030120051/http://www.panoramio.com/user/6793059?with_photo_id=96986808 operator: Panoramio described at URL: https://web.archive...
[[Category:Oporto trams in {{Ta]] English operator: Panoramio described at URL: https://web.archive.org/web/20161021232900/http://www.panoramio.com/photo/56451238...
panoramio.com/user/164173 operator: Panoramio described at URL: https://web.archive.org/web/20161009224905/http://www.panoramio.com/photo/823034...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011031521/http://www.panoramio.com/photo/775022...
archive.org/web/20161101222305/http://www.panoramio.com/user/5441114?with_photo_id=126510387 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031144731/http://www.panoramio.com/user/5441114?with_photo_id=126510946 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028195942/http://www.panoramio.com/user/5441114?with_photo_id=107836835 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028192847/http://www.panoramio.com/user/4784666?with_photo_id=101976350 operator: Panoramio described at URL: https://web.archive...