Oporto

They were among the passengers of the ill-fated steamer Norah Creina, which was lost some years ago with all hands upon the Portuguese coast, some leagues to the north of Oporto.

Thenceforward I saw Oporto whole and not in disintegrated fragments as before; for I had learnt the secret of putting the pieces of the puzzle together and the heart of the city was bared to me, a stranger.