Hello,My parents (both 60 y/o) will be staying at Cosmopolitan Hotel 3D/2N. D1-arrive 820am, aug 20.plan to go to kowloon, D2- wholeday in Macau, D3-no plans yet, departure 8pm, aug 22. Is it advisable to buy the Tourist Cross-boundary Travel Pass (HK$120), it say 2 days unlimited, Or just get ordinary MTR ticket?which is cheaper? Any suggestion on D3? Last visited hongkong 2005, Iam just relaying on the map. =)