Cave-In on the Path                                    -      -      - 
(-------------------------------------------------)     W <---(M)---> #
                                                        -      -      -

The path of rubble and vines comes to an abrupt halt.  A large pile of
earth and rock blocks your passage to the east.  It all looks very hopeless,
but upon closer examination, some of the rocks in the lower right of the
rubble look securely wedged against the eastern wall.  There are some
strange noises coming from somewhere nearby, but you cannot determine the
source.  
A writhing mass of snakes covers the floor here.
A writhing mass of snakes covers the floor here.
A writhing mass of snakes covers the floor here.
A writhing mass of snakes covers the floor here.
A writhing mass of snakes covers the floor here.
A thorny, red-veined vine twines its way around your feet.
A writhing mass of snakes begins attacking you!
A writhing mass of snakes is in perfect health.