Wawel Hill Castle and Cathedral, Vistula River with swans, illuminated at night, Krakow, Poland, Europe

travel destination photography horizontal colour image outdoors building exterior architecture cloudy sky night bright light illuminated reflection krakow poland europe swan wawel hill castle cathedral vistula river polish culture river castle blue water wawel castle cygnus olor large group of animals mute swan animal themes side view full length asleep lens flare national landmark wawel cathedral no people colour color image color outside tourist destination travel architectural nobody no one no one landmark place of interest group night time night time reflecting reflected european