Would it be appropriate to call it culture shock, leaving behind the vineyards, villages and mountains and being transported in a comparative instant to the international tourist maelstrom which is Barcelona’s La Rambla? Well it’s certainly a significant change of scene. The place is absolutely alive with people and activity in exactly the way we remember it, and Barcelona feels as joyous and energetic as ever. It’s a fairly long time now since either of us have been to Barcelona, and we haven’t previously been here together, so this is a reacquaintance with different memories for each of us. Some things have changed down La Rambla since our last visits:…