Making the ground shake

Inquirer7: "The 15 prehistoric creatures in this show are powered by animatronics - a robotic system developed in movies and Disney theme parks - with some good old-fashioned puppetry thrown in. They are all life-sized (or as near as science and the entertainment industry can estimate) and they act naturally (ditto). The audience will see them hatching from extra-large eggs; running and stomping; fighting and kissing; roaring and soaring; and occasionally eating (each other)."