If my handy online calculators are working correctly, 70km distant would require a 300+ ft tall tower on each side for that P2P bridge. Just to deal with the cu

If my handy online calculators are working correctly, 70km distant would require a 300+ ft tall tower on each side for that P2P bridge. Just to deal with the curvature of the earth and not counting for anything else that might be in the way.