TravelUnaccompaniedNowmanyyoungpeoplearetravelingaround...
問題詳情：TravelUnaccompaniedNowmanyyoungpeoplearetravelingaroundtheworldontheirown,notbecausetheyhavenoonetotravelwith,butbecausetheyprefertogoalone.KristinaWegscheiderfromCaliforniafirsttraveledalonew...