The Solution of the Pyramid Problem; or, Pyramid Discoveries
With a New Theory as to their Ancient Use
Robert Ballard
英文收录于 2012-06-26公版作品
《The Solution of the Pyramid Problem; or, Pyramid Discoveries
With a New Theory as to their Ancient Use》，Robert Ballard。这是一部关于历史、科学、艺术的公版作品，适合在安静的片刻里慢慢读下去。