With regards to the unfinished obelisk on its side in Egypt. Could the stone at that time be softer than it is now? The scoops do look like its been soft at some point. The stone could have become petrified over time? It has been abandoned due to the cracks, is this because it dried out too soon?
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[youtube.com]
Just my thoughts after a few beers?
Rob
See link
[youtube.com]
Just my thoughts after a few beers?
Rob