Sunset, Matosinhos.
This is the cruise ship terminal for Porto, in Matosinhos. You can visit on Sundays -a guided tour is €5
https://www.apdl.pt/en/business/visits/visits-to-porto-cruise-terminal/
The building is very interesting, shaped like a shell, and covered with about a million hexagonal tiles which shimmer like fish scales in the light.
More architectural info here:
https://www.ceramicarchitectures.com/obras/porto-cruise-terminal/