Maybe somebody else will. The pyramid probably worked. The sarg is empty, isn't it?
Sakkarah
Step pyramid complex and tomb (August 1974)
http://oi.uchicago.edu/OI/IS/SANDERS/PHOTOS/EGYPT/SAKKARAH/sakkarah62.html
Khufu Pyramid: King's Chamber, Tomb View
http://www.pbs.org/wgbh/nova/egypt/explore/khufutombking.html