<正>There's a new bunch of sightseers in town - and they're ready to spend. TOURIST traffic at China's bustling airports is becoming increasingly two-way. The usual groups of bespectacled pensioners and red-eyed backpackers throng the inbound terminals, catapulting China into 5th place in the international league of most popular destinations. Crowding the departure lounges, meanwhile, are growing legions of upwardly mobile Chinese holidaymakers, headed for Rome's Coliseum, Sydney Harbor, or even the Safaris of Kenya.