d.c. hington, and this is one of the largest skulls to be discovered, ever. this is more than five feet in huge. and would have been the skeleton was much larger. it was one of the highlights. this gives visitors the opportunity to see them working on fossils right there in front of them, and the volunteers that work here in the viewing lab. how we get them out of the field. we can see a different variety of dinosaur bones being prepared. femur in triceratops the works. it needs to be consolidated quite a bit. it is still in the field jacket which is made out of plaster and burlap. the upper leg bone of a triceratops dinosaur. a fairly good-sized one at that. next to it, we have a triceratops vertebra. we have an individual backbone. it works fairly well together. we are working on it. how long have you been here? >> six years. over 5000 hours that levi has volunteered and donated to be here in the viewing lab. levi is very skilled. we are proud to show how proud we are of our volunteers and to share the process of paleontology with our visitors. think it is