Check out Rumble channels- My lunch break. We were able to build castles that we would have a difficult time building today, and with the tech that the powers that be said we had, some dating back to before we even got to the America. We used to have airships used regularly, and they charged them from those tall spires on the buildings, before they dismantled them and put crosses on the spires. If you watch a couple of his videos, you cannot unsee it, even in smaller towns.