i will be in hongkong this march 18-20 and will be staying at the anne black hotel? i would want to know how to i get to my hotel using the train? and how to i get back from the hotel to the airport. how much time would it take me from my hotel to the airport? what kind of train tickets (i heard there are different tickets suited for each need) should i buy for at least 3 days stay? thank you.