Art nouveau buildings along Vltava River and boats at Slovansky island, Prague, Czech Republic (Czechia), Europe

travel destinations travel vertical color image outdoors sunset dusk czech republic europe no people cloud sky copy space art nouveau architecture building architecture tree nature vltava river water city urban scene boat slovansky island prague bohemia bridge reflection travel destination tourist destination tourist destinations sundown evening twilight rivers flowing water outdoor outside nobody no one no person cities urban buildings bridges connection connections boats nautical vessel nautical vessels transport transportation architectural