Hong Kong has a lot of special types of snacks, for example custard eggette, fake shark fin soup, stinky tofu, lettuce with fish soup, fish balls, put chai ko, mixed beef, waffle, fried squid, barbeque etc.
They all are served in paper bags or plastic foam boxes and use bamboo sticks or fork to eat. You eat them straight away when you order; there are no tables or chairs for you to eat them. From this snack culture, you may see the characteristic of HK; HK people not only pace is fast, working speed is fast their eating habit also requires to be fast also.