The building on the corner is tiled for 4 floors, then the top floor is clad in corrugated metal. It's bizarre things like this that make foreign travel interesting (not that I have particularly interesting times on my travels - I usually have my lens pointed at something that's falling down, knackered or covered in weeds).
There are so many fantastic and amazing things to see in Porto. I'd even go as far as saying it's is one under-rated Portuguese gem. Scratch that! This - 14 Best Things To See In Porto, Portugal - Travel, Travel Advice - Europe, Porto, Portugal - Travel, Food and Home Inspiration Blog with door-to-door Travel Planner! - Travel Advice, Travel Inspiration, Home Inspiration, Food Inspiration, Recipes, Photography