And the livin’ is easy: the weather’s been divine, and summer is here at last. There is the compulsion to spend every possible moment outdoors (Pimms preferably in hand), as it’s London after all and you never know when the good meteorological fortune will end. To that end, welcome to an al-fresco themed London On The Cheap week – get out there and take proper advantage of the next week of forecasted warmth and......