Multi-purpose building
FIG. 1 is a top view of a multi-purpose building showing my new design, the bottom being the same; 
     FIG. 2 is a side view thereof, the other side being the same; 
     FIG. 3 is a cross-sectional view through the center of FIG. 2; and 
     FIG. 4 is a cross-sectional view through the center of FIG. 1.