The man talking to Milo in the room where the red haired woman disappeared to and another unseen character added some tiles to his original cross shaped design on the table. After Milo leaves the camera tilts down as the man writes into his notebook and the additional tiles are gone, reverting back to the cross shape.
(at around 55 mins) When Emilia puts her cigarette out on a round white object, it clearly shows the cigarette falling off of the object onto the table. A few moments later, the next camera angle zooms in revealing the cigarette sitting back on top of the white object.