Forgotten Pharaohs, Lost Pyramids: Abusir

5th Dynasty Abusir al-Qereti already Ancient Egyptian appears archaeological archive beginning blocks boat Borchardt building built burial chamber called cemetery century chamber columns construction corner cult Czech decoration Detail discovered discovery east eastern edge Egypt Egyptian Museum Egyptologist entrance example excavations expedition fact fields fragments Giza granite hall head historical important inscription Institute interest Khentkaus King Kingdom known later limestone located Lower mastaba of Ptahshepses Memphis monuments mortuary cult mortuary temple mother Museum in Cairo Neferirkare's Nile Niuserre's offering originally papyri perhaps period pharaoh picture possible priests probably Ptah pyramid complex queen Raneferef's reasons reconstruction reis relief remains represented royal ruins ruler Sahure's sand Saqqara sarcophagus scene shaft side Sneferu so-called South statue Step stone sun temple symbolic tion tomb Unfinished Upper valley temple View wall whole