Semir Osmanagic is visiting London shortly and is to give two short lectures at the Bosnian Embassy. It's free but booking is essential - there are more details here ( http://www.bosnianpyramid.com/index_files/News.html ).

The research findings - highly controversial - that the upper stages of the Egyptian pyramids may have been cast, in situ, lends more credibility to this man's discoveries. ( http://www.newscientist.com/channel/being-human/mg19225812.900-concrete-evidence-in-gizas-pyramids.html )