Art Nouveau buildings, architectural detail, UNESCO World Heritage Site, Riga, Latvia, Baltics, Europe

photography colour colour image color color image vertical vertical image outdoors outside day nobody no one no one travel destination travel destinations travel landmark landmarks famous well known well known tourist destination art nouveau style architectural detail unesco unesco world heritage site world heritage site riga latvia baltics europe european building exterior building buildings architecture architectural history historical historic heritage ornate facade low angle view low angle top section detail carving carved stone