House1:9000m2 wall area, 3000m2 ceiling area; House2:11000m2 wall area, 3500m2 ceiling area; House3:6000m2 wall area, 2000m2 ceiling area
House 1House1: 9000m2 wall area, 3000m2ceiling area
2ndHouse2:11000m2 wall area, 3500m2 ceiling area
House 3House 3: 6000m2 wall area, 2000m2 ceiling area