In our weekly look at travel through three Instagram shots, Sam Jemai gets fired up by Porto’s famous blue tiles

Main image: Rhapsody in blue Around 11,000 azulejo tiles cover the outside of the Igreja de Santo Ildefonso. The church was built in the 18th century, but the tiles, painted by the artist Jorge Colaço, were only added in 1932. They are now in dire need of renovation. Photograph: Sam Jemai