How to remove the aluminum ceiling, change the position of the chandelier
And then observe the keel position, because the keel is jammed the important joints of the ceiling. Look at the last few ceilings that short in the keel position to put a short point of the ceiling on the line. And then remove the second piece is easy.
Aluminum buckle plate is buckled together, around the corner can not be removed, but with a knife to the glass glue and the separation between the ceiling on it.