Qinhuai river is the mother river of Nanjing, which is also very famous for prosperity and beautiful night views. It is always crowded any time all day and ngiht because it is very popular in China. If you come to Nanjing and don't go to Qinhuai river, it means you have never been to Nanjing at all. There are a lot of local restaurants and shopping around Qinhuai river. The boats are very busy moving forth and back in the river. Taking boat maybe a good way to enjoy Nanjing culture and night sightseeing.