That's actually not a surprise; asians have a tendency to prever a layout with densely packed information. Like, *really* dense, and packed. This video explains this very well:

https://www.youtube.com/watch?v=Opy-SjDU0UY&pp=ygUbamFwYW5lc2UgaW50ZXJuZXQgZGlmZmVyZW50

The tl;dr of this is: Because they are often exposed to an absolute ton of information, they get used to it and find their way of navigating it, thus building a preference towards it. It's really interesting. ^^