Does everyone have a proof or understanding of how foundations have been built so way back? Did the builders largely use the rocks through the basements they dug to create the foundations? The sampling must include things like sitting on a mountainside and truly seeing what's all around you. From https://remingtonwogvm.blogs100.com/37016925/the-smart-trick-of-gold-standard-100-whey-protein-for-sale-that-no-one-is-discussing