From up here, the entire Algarve coastline auditions for a postcard: a suspiciously perfect shoreline, the Palmares golf course, the Alvor estuary twisting like it's trying to escape a geography exam, Alvor, Portimão, the Arade river, Ferragudo, Carvoeiro, the bay of Armação de Pêra, and Albufeira somewhere out there in the haze.