Yes, the Athena site is where the snake is. But there is a huge owl as well, I had mistaken it for a bearded mans face....but when I made the connection to Athena, I realized it was an owl.....
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The other site ( Aphrodite ) has a smaller owl etched into the rock just to the right of the " Face ", and directly behind the...um...pillar.....( a side note, the face itself could be an owl, but had no way to hang out in thin air to get a frontal shot, its a drop off. Can't find any other spot with a frontal view that isn't obscured by surrounding foliage, sigh ).
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And, of course, the Artemis owl ......
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Again, excuse the crappy zoom pics, but you have the better pics I sent you to look at for reference.