HI MY NAME IS JERRY.SAT,OCT 31,2009. I HAVE A 13HRS 30 MINITE STOP OVER IN BEIJING CHINA.IM A U.S.A. CITIZEN. CAN I LEAVE THE AIRPORT TO GO VISIT THE GREAT WALL OF CHINA? MY STOP TIME: 12:30AM-1:00pm. CAN I BE UP IN THE MORNING, AND HAVE ENOUGH TIME TO SEE THE GREAT WALL AND BE BACK IN THE AIRPORT BY 12:00PM ?? E-MAIL ME AND LET ME KNOW. FLIGHT- BANGKOK(BKK) TO NEW YORK (jfk)