上有天堂，下有苏杭/ 上有天堂，下有蘇杭 shàngyǒutiāntángxiàyǒusūháng Suzhou and Hangzhou are paradise on earth
Literally "above there is heaven, below there is 苏州 sūzhōu and 杭州 hángzhōu"; an idiom used to praise the extreme beauty and prosperity of those two cities.