Calm before the Storm

My favorite picture from the Festa de Sao Joao. This was taken in a square in Porto, just before the madness erupted. It was around 9 pm and we were sitting in an outdoor cafe, watching people start to emerge from their homes.When I see this picture, I remember our anticipation perfectly - it was almost like just before a thunderstorm - the excitement was that palpable. And we knew something was coming, but we had NO idea what...