>>4726267 lb
>Not certain it is Hong Kong. Could be another Chinese airport?
Hate to say this because it's a nice graphic, but the sign characters in Q's pic are simplified Chinese, which are used officially in mainland China.
Traditional Chinese characters are what's officially used in Hong Kong.
https://www.quora.com/What-is-the-difference-between-“simplified”-and-“traditional”-Chinese-characters-Are-the-languages-found-in-most-Chinese-websites-“traditional”-or-“simplified”