129,421KM-5KM=129,416KM
Bal b/f 150 Tempos+4 Tempos=150 Tempos Bal c/f
https://www.rfa.org/cantonese/news/china-teacher-hand-in-passport-control-capital-outflows-10082024123933.html
https://www.tkww.hk/a/202501/16/AP67884732e4b0f8a56f851786.html