The best places to eat sandwiches in Lisbon, from bifanas to pregos Food Most people have their own markers of summer. Elderflower trees blossom into white spidery nets, parks fill up and tops come off, the Premier League finally ends. But for sandwich lovers, the sign of supposedly warmer days ahead comes in the form of an Instagram post by Farringdon-favourite Quality Wines. Word quickly spreads: The bifana [...]