The Polo Symbols: Hippodrome was a virtual representation of one of Ezio Auditore da Firenze's genetic memories, relived by Desmond Miles in 2012 through the Animus.
Description[]
Climbing the Obelisk of Theodosius, Ezio scanned a Polo symbol to the Hippodrome's southeast.
Outcome[]
Ezio located and unearthed the book titled The Travels of Marco Polo.