uniqueness of area revolves around the fact that we sit in between World Heritage parks. So the fact that they are looking at developing, the fact that if there is a potential to do it, it's not right for this area. It's not in Sydney's interests to see this area develop -- the attraction for Sydney people to come here is our lack of development. Cameron agreed: What I see happening in New South Wales is a distraction and diversion away from nature conservation as the primary purpose of parks -- and if we do n't focus on that the standards and the state of our parks will slowly decline. However, Randal Walker, chairman of Blue Mountains Tourism, argued that it is possible to develop sustainable tourism without damaging the natural beauty that visitors come to see. If there was increased interest in development, I think those investors would only do it in terms of: is it sustainable ? said Walker. Is there going to be a return on investment ? And it's going to be in built-up areas where zoning allows it. I do n't think there would be any development that would be a negative impact on the environment. We have to have a sustainable impact on the natural asset, which all tourism operators value and treasure and want to preserve. Penelope Figgis, a government advisor on conservation and tourism, also believes the park has to develop. She said: Everybody is looking for how