-The Rooftop is very highpoly resolution (almost 200,000 polys)so you can choose to hide it or remove it and use the lowpoly one (depends on your needs). -the bridge is ready for high resolution CloseUp renders . -most of the materials are proceduraly generated in Maya. -all the materials and lights are ready for Maya 2016 and Vray 3 . -if you need the scene for 3dsMax you can send me a message .