Some interesting photos of Sheffield from high places:

Moor rooftop: http://www.28dayslater.co.uk/forums/showthread.php?t=28354
Bramall Lane rooftop: http://www.28dayslater.co.uk/forums/showthread.php?t=26785
Hepworth's chimney (Loxley): http://www.28dayslater.co.uk/forums/showthread.php?t=28422

Vince