One of the important characteristics of behavioral animation is its ability to reduce the workload on the animators. This is achieved by letting a behavioral model automatically take care of the low-level details of the animation, freeing the animator to concentrate on the big picture. Freeing the animator from low-level animation details is even more important when dealing with crowds. An animator manually creating a crowd animation is overwhelmed not only by the large number of animated entities, but also by the interactions between them.