The wall of the mauseleum that the image is projected into is imperfect. In place of mortar, some bricks are held in place with ceramic slats. This clearly is not the original design for the cemetery building.
It would take 15 minutes to remove the ceramic slats with a successful strength+ stamina roll
Around Quinn, the silence stretches. The perceptive Mekhet feels that she can nearly hear the gentle wind licking the flame in the lantern. The wind seems more gentle here. Almost as though holding it's breath. The lantern glass protected the flame, projecting the lights strength.
It no doubt also signals Quinn's presence.