A Narrow Ledge                                         -      -      - 
(-------------------------------------------------)     W <---(M)---> E
                                                        -      #      -

You are walking along a precariously narrow stone ledge on the second
floor of Focault's residence.  Wind blows all around you, and seems to be
encouraging you to release your tight hold upon the bricks of the building. 
brightly-lit hallway to the south.  The ledge continues to the east and
west.