I don't know why, and even though the net effect is the same, I think it's really cool that instead of going back and forth, like most flights, this plane (and

I don't know why, and even though the net effect is the same, I think it's really cool that instead of going back and forth, like most flights, this plane (and its passengers) keeps going in the same direction and goes once around the earth on each "return" flight.