It’s sad to see 苏州 (suzhou) characterized by its relationship to 上海 (shanghai), when 上海 is merely a city invented by China within the last 100 years to interface with the capitalist west. 上海’s culture draws from the original, ancient cities of 杭州 (hangzhou) and 苏州. If history had played out slightly differently, 普通话 (common speech) would probably be their 吴语 (wu chinese) due to 南京 (nanjing)'s influence.
here’s a video with english subs to explain why 云南 is so special. here’s another video that’s more about 昆明 tourism