The Great Pyramid Was 'Glass-Like' Shiny, 4,000 Years Ago!

The Great Pyramid Was 'Glass-Like' Shiny, 4,000 Years Ago!: 

The end result of such high levels of polishing yielded immaculately smooth surfaces that were fascinatingly shiny beyond reckoning. And, considering that there was limited pollution and smog circa 2500 BC (as opposed to our contemporary times), the Great Pyramid of Giza must have been an ‘otherworldly’ magnificent spectacle during the time of its completion – with ethereal, glass-like facades basking in the glory of the effulgent sun.

via /r/TIL