The carvings they made into the rock added extra depth and dimensions to their art. The bull and cow bison were formed around a supporting rock. The figures were created out of wet clay and it is said that the finger strokes of the artist can still be seen going down the animal. The artist also used tools to carve into the clay and create some of the features. The cavern around them creates a real, 3D perception of the figures. The figures demonstrate bumps and curves, similar to the ones the real animals would have. People who have seen the sculpture say it almost appears to be real. The artwork was created 15,000 years ago and it is amazing it still reads so well today. Cracks surround the body due to the dying out of the clay and the amount of time they have remained