A Large Pond                                           -      N      - 
(-------------------------------------------------)     W <---(M)---> E
                                                        -      S      -

You are in a large pond, it seems to be not very deep, however in the
center there is a large hole, leading down.  The pond is clearer than most
and the sunlight reflects off of it, making the pond a beautiful sight to
see.  As you walk closer to the center, you feel it sucking at your feet,
maybe you should venture down.