Figure 1. Some views of the outside of Four Element Museum

This is the first location that visitor sees and in which he or she 'lives'; it represents the front part of the museum with its entrance.

On the grass there are some billbords that show what is the theme of the exhibits inside.

 

Figure 2. Billboards of the exhibit

 

If the user wants to launch some balls he or she should point the view in the desired direction and shooting. Balls will bounce untill they are stopped and then they disappear.

 

Figure 3. Shooting some bouncing balls