Egyptian Concrete?
Egyptian Concrete?
2
BigH (Geotechnical)
(OP)
Note the following link. I've heard of this quite a number of years back - thought it might be reasonable. But, won't it send the archeological set back a few paces!!?
http://ww w.boston.c om/news/sc ience/arti cles/2008/ 04/22/a_ne w_angle_on _pyramids/
http://ww




