Cities in China are ranked in terms of population and overall prosperity. So Beijing, Shenzen, Shanghai and maybe some others are tier 1. Then other ones, like perhaps Tianjin and Wuhan would be tier 2 etc. I think India has a similar system, probably because they both have at least one or two hundred cities each
Honest question: What is a tier 1 city?
Cities in China are ranked in terms of population and overall prosperity. So Beijing, Shenzen, Shanghai and maybe some others are tier 1. Then other ones, like perhaps Tianjin and Wuhan would be tier 2 etc. I think India has a similar system, probably because they both have at least one or two hundred cities each