we will be going to beijing this october and planning to take train from beijing to hongkong... is it advisable to purchase train ticket in the internet or just purchase the ticket as soon as we arrive in beijing? we are planning to take the T97 train... another thing if we will be staying in SHI JI HUANG SHAN HOTEL is this near the train station? and you guide us how to get to the train station from this hotel. thank you