Turkey Mystery of the Six Towers

There is a possible connection between the Round Tower People and the Zoroastrian Towers of Silence — Catal Huyuk [or Çatal Höyük]. The people of Catal Huyuk [in Turkey] date back to 6,500 B.C. They revered the vultures for carrying souls to the heavens. That is a clear tie with the Towers of Silence, where the dead are also left for the vultures.
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http://thesop.org/history/2009/10/09/mystery-of-the-six-towers-update-catal-huyuk