label north to south with city on the top line being the farthest to north (beijing, china) , (Taipei, taiwan. ) , Ulaanbaatar, mongolia), (valdicostok, russia) )

they are both the same distance away from the equator and from the poles. both circles are at 66 1/2 degrees. also they both form imaginary line borders of polar regions.

answer; ///i believe the correct answer to the above question is; ///(drainage basin;