So what's the difference between Hong Kong and the US? Well, for starters, Hong Kong is pretty "squashed" together, whereas places and buildings in the US is pretty well spaced out. Hong Kong frequently uses the MTR, taxis, and buses to get around whereas Americans use our personal cars.
Buildings in the US are so spaced out that a nice open park is very do-able in many areas. http://www.saltshaker.net/wp-content/9dejulio03.jpg |
VERSUS
Hong Kong buildings tightly packed together. http://www.nce.co.uk/pictures/586xAny/8/6/8/1307868_2102302032_89418432a5_o.jpg |
Since in the US, everything is more spaced out, it is harder to get to different places with public transportation because you would have to walk from the bus stop to your destination. In Hong Kong, since it is much more compacted, buses have a stop on about every 4 blocks or so and the subway (MTR) has a station every half a mile. Having your own personal car in the US is more convenient than in Hong Kong (because you'd have to find parking on the busy streets and there isn't enough space on the street to do that in the main parts of Hong Kong).