Spent a lot of time on metros today! Long journey on the Shenzhen metro, followed by an easy air conditioned border crossing. I then made a rather long metro journey to central Kowloon, where my hostel is. Kowloon is the most densely populated urban area on Earth and it shows. Shenzhen and Shanghai have as many skyscrapers, but in Hong Kong the skyscrapers are much more crowded. Also, whilst I'm sure Hong Kong has its glitzy areas, I feel its grottier than the ...