The Polo Symbols: Galata

The Polo Symbols: Galata 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 to the top of a minaret, Ezio scanned a Polo symbol on the wall connected to the Galata Tower.

Outcome
Ezio located and unearthed the book titled One Thousand and One Nights.

Reference

 * Assassin's Creed: Revelations