Been to the AVP or RVP today to check out the fence situation. The mesh is indeed quite high but it doesn't impede on your view towards the runway. Two of the mounds have been made higher for the photographers but unfortunately the addition of a roll of razor wire on top of the fence appears not to have been used in the overall height calculations for the mounds as the wire seems to get in the shot unless you are careful.
The concrete blocks that normally go under the fence have been set back around the car park edge (bit like tank traps) and cunningly covered in decking wood to create planters and seating, I think this is done more for looks than secrecy. It does actually look very nice so full marks to the management for this clever compromise.