The proof of ancient mankind shaping the mountains to create flat land and great terraces is everywhere to see . The problem is that no one every brings it up. If people want to prove that we cut rock its there ..If people want to see an incredible display of immense undertakings that helped shape the country , its all there to see. https://satellites.pro/Yemen_map#16.636685,43.529817,19 . What created this path ? Who cut the rock area around it. How much is shaped by man.