5) You are still in the same position, but have looked up. Here you can see the Exhaust Duct more clearly.

5) The Exhaust Duct from the main Operations block ventilation system, rises through a series of 'zig-zags' in the Cable Shaft and vents on the surface

Return to previous page..

Where am I?.....5) Jump to map!

For an Emergency Exit! .....

 

Copyright Mark.A.Bennett @ Subterranea Britannica 2000