I used a sigma 100-300mm F4 lens. Shooting through the fence you need the aperture wide open so to have the fence out of focus enough that it wont show in the photo.
I was at the classic Le Mans over in Frog land this weekend. It was a wicked event with some awesome cars Here are a selection of the photos I took there,
Its Hellingly Mental asylum. I lie a bit about the breaking in bit, a lot of windows are all ready broken so its quite easy to gain access. However most of the floors are gone and any that are there you can feel moving under foot!