 Before
blowing up the propane truck, open the door behind the truck. |
 In
the bathroom flush the right toilet to open a room. |
 Blow up the
niche with the statue on the second floor. |
 Blow up the
crack in the wall near the yellow key-card. |
 On
the roof near the anima girl, operate the wall below the hook with a blue
towel to open a room in the center column. |