Just had to add a Porto door. We woke to overcast skies and drizzly rain so decided our best option would be to buy a hop on hop off bus ticket again. They're not ideal - the commentary is often out of sync with where you are - but it gives you and idea of the city layout. We spent hours on the road, through heavy traffic at times, covered the whole area. It fined up late in the afternoon so we headed for the Douro River foreshore to take a boat trip along the t...

On our Bridge to Bridge river cruise.

The Igreja Carmelitas (church) close to our hotel.

A typical view of the Douro River down a narrow side street.

You can venture in under these buildings and clearly see the different ages of the structures. (It helps to have my very own engineer tour guide!!!)