OK can you send me your level file please?
here it is: https://drive.google.com/file/d/0Bw9XQkE78ae6ZHU4VHg0djZlZ1E/view?usp=sharing
i find a workaround by change plotvis in the save file (not in the upper one but in a copy)
Oh I see. Yes when you put down your Blueprints for the bridge you can drag into the fogged area (as long as you start in a visible area). That should solve your problem.
