When I use Occlusion Culling and I get close to objects, almost everything disappears.
After Occlusion:
[17687-2013-11-09+10_31_52-2013-11-09+08_20_11-unity±+mainscene.unity±+finalfps±+pc,+mac+&+linux+standal.jpg|17687]
Before Occlusion:
[17688-2013-11-09+10_34_17-2013-11-09+08_19_58-unity±+mainscene.unity±+finalfps±+pc,+mac+&+linux+standal.jpg|17688]