exterior of museum of elagin summer palace in st.petersburg

russia saint petersburg city peterburg spb peter yelagin elagin island facade palace yelaginsky yelaginoostrovsky dvorets royal summer architecture museum architect carlo rossi garden park decorative vases staircase stucco decorations columns colonnade stairs day green trees shrubs august walking rest travel tourism landmark outdoor landscape cityscape nobody fragment elaginsky elaginostrovsky collections art glass porcelain elaginskiy elaginostrovskiy exterior st petersburg park city town saintpetersburg sanktpeterburg