Swans gather on the banks of the Vltava river with Charles Bridge in the background, Prague, Czech Republic, Europe

color image horizontal travel destinations travel focus on foreground selective focus outdoors day prague czech republic europe building exterior building architecture vltava river water charles bridge bridge arch bridge transportation connection cloud no people dome tower large group of animals animal swan cygnus water bird white swimming city urban scene past history bridges connections cities urban daytime outdoor outside rivers flowing water travel destination tourist destination tourist destinations x printready x 2019m12