Labels:dialog box | earth | poster | sky | tree OCR: Aerial View of Serpent Mound About the Serpent Mound The Serpent Mound in Ohio is one af the most impressi ve prehistoric structures in the world Shaped like snake, the mound has seven deep curves, It rises to height of feet (1 m) and extends aua quarter mile (.4 km) The serpent figure may have had religious or spiritual mearing for the people who built the mound but historians da not know for sure Resea irc hers continue to investigate the s,punot mysteriaus origins erial over Researc mysterious
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