In other news, China implements social credits system for internal travel ...
https://www.independent.co.uk/news/world/asia/china-social-credit-system-flight-booking-blacklisted-beijing-points-a8646316.html
https://www.independent.co.uk/news/world/asia/china-social-credit-system-flight-booking-blacklisted-beijing-points-a8646316.html