Assassins Creed Revelations: Side Mission 'HAGIA SOPHIA'S SECRET' walkthrough [HD]

This is a walkthrough for the side mission 'Hagia Sophia's Secret' in Assassins Creed Revelations with 100% sycnhronisation. this mission is unlocked after you have collected all of the memoir pages. For more in the series: - http://www.youtube.com/playlist?list=PLFCECD29D1372309A Subscribe! http://www.youtube.com/AFGuideshd