The fish market opens before dawn, and if you're there early enough, you catch the moment the city remembers itself.
I arrived in Porto at 4:47 in the morning, having miscalculated a bus connection from Braga. The streets were still damp from a rain I'd slept through, and the only light came from a bakery where a woman in a flour-dusted apron was pulling trays from an oven. She didn't look up. The smell of warm bread followed me for two blocks.
Porto doesn't perform for visitors. That's what I love most about it. The azulejo-tiled facades are peeling in places, salt-weathered and honest, and the riverfront cafés don't pretend the sardine cans are anything other than sardine cans. Somewhere between the Douro and the upper labyrinth of Bairro da Sé, I found a hardware store that also sold wine, presided over by a man named Rui who spoke no English and still managed to explain, through gesture and a hand-drawn map on a paper bag, exactly where I should eat dinner.