Quote (Leevee @ Mar 29 2018 07:28pm)
Let me fix that for you:
"AS FAR AS I KNOW, RAILROAD ENGINEERS DON'T ALLOW FOR THE CURVATURE OF THE EARTH
BUT THEN AGAIN, I HAVEN'T CHECKED SO I DON'T KNOW FOR SURE."
do railway tracks go up or down hills or mountains or valleys?
or do the railway engineers make tunnels THROUGH mountains and hills and build bridges over valleys to remain on a flat (level) surface for the trains?