A physical object that is the outside upper covering of a house or other building or the ceiling of a room or other covered part of a house, building, etc.
A physical object that is the outside upper covering of a house or other building or the ceiling of a room or other covered part of a house, building, etc.
A physical object that is the outside upper covering of a house or other building or the ceiling of a room or other covered part of a house, building, etc.