1. Why are mountains often called the cradle of mankind?
"Mountains, the cradle of mankind" - In this expression, the cradle means the "beginning of mankind", that which is after the Flood.
2. Why and for what reasons do pilots wear scarves?
World famous beautiful white aviator scarves. They have repeatedly hooked quivering women's hearts. But for beauty, pilots, especially in wartime, did not wear anything. So what are scarves for?
At the dawn of the development of great aviation, unfortunately, pilots did not yet have many instruments that help track enemies. That is why during the flight they had to constantly turn their heads and look out for enemy aircraft. Because of this, they strongly rubbed their necks on the collar. That is why silk scarves were introduced into the uniforms of the "heavenly" pilots. Everyone liked the scarves so much that after many years, many pilots still wear magnificent silk scarves.