Support WBURMayan Artwork Uncovered In A Guatemalan ForestPlay02:59Download AudioChristopher JoyceMay 13, 2012 ShareConservator Angelyn Bass cleans and stabilizes the surface of a wall of a Mayan house that dates to the ninth century. The figure of a man who may have been the town scribe appears on the wall to her left. (Copyright 2012 National Geographic)
