1. It depends on the household, but in East and Southeast Asia, people usually leave their shoes by the door. I guess China's slippers clutter up the doorway once in a while!
2. Yuan Kai is a poet from Shanghai. He lived during the Ming dynasty. If you can read Chinese, here's a collection of some of his poems in simplified Chinese!
3. Yellow can also mean...
4. hao (好) means "good" or "OK" in Chinese.
5. Yes, Taiwan really says kawaii.
I didn't translate the blurbs on the side because I got lazy, but x_regg did right here!
I'll probably do the profiles for the Asian countries next.