Upper left window in the small warehouse where the ramp generator is is completely clippable.
This makes not repairing the Secondary Objective somewhat unnecessary, you are able to hop to the platform.
http://i.imgur.com/ZUsSiMU.jpg
http://i.imgur.com/cAFEGxJ.jpg
Buildings in the background disappear and reappear when looking at them.
http://i.imgur.com/IvOLjjV.jpg
On a side note, Fragger jumping gives many benefits to easily get around Dome.
http://i.imgur.com/QQoyoHg.jpg
