To illustrate your first point, it's worth having a look at the Southbank Centre's roof garden: https://thenudge.com/london-bars/queen-elizabeth-hall-roof-garde

To illustrate your first point, it's worth having a look at the Southbank Centre's roof garden: https://thenudge.com/london-bars/queen-elizabeth-hall-roof-garden-southbank/ https://thenudge.com/london-bars/queen-elizabeth-hall-roof-g... The people in this thread complaining about how grim and grey it is have clearly never ventured up the yellow staircase!