assassins creed brotherhood question

so im play ac brotherhood. great game btwand i leave the animus. when i go looking at the statues in the sanctuary. i press anybutton on one and desmond says wassamatta you altair?i then go to the next statue, when i press any button. the camera just pans to the left of the bookcase.why does the camera pan there?
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cmon guys.help me

Can you describe your problem since I don't understand

it doesnt matter i found out. it shows the shelf with all the artifacts on it