editorial素材 - Hong Kong - May 21, 2012: Traffic jam in Hong Kong. With a land mass of 1,104 km and population of 7 million people, Hong Kong is one of the most densely populated areas in the world
Hong Kong - May 21, 2012: Traffic jam in Hong Kong. With a land mass of 1,104 km and population of 7 million people, Hong Kong is one of the most densely populated areas in the world