Hello how may I help you? I want to know more facts about cities. Sure, I can help you with that. What cities are you interested in? what river is goes through Prague? Alright, let's have a look at that. thank you. It seems that the Vltava river runs through the city of Prague. thank you for you help. this is wonderful information. Do you have anymore questions? I love to answer all city related questions. that's all. thank you. it was really fun. Alright, have a wonderful city filled day!