tower on the lateral semicircular annex of the petroff palace, moscow, russia.

18th annexes architectural architecture art autumn avenue brick capital castle catherine centuty chamber city classic cloudy concert decor dome eclectic embellishment entrance europe european expencive exterior fallen flag fortress gate gothic government heritage historical hotel interior journey kazakov landmark leaves leningradskiy lush luxurious masonry masterpiece modern moscow museum music national neo noble palace park person petersburg petrovskiy pool prospect protection putevoy red residence rest royal russia russian sauna spruce state style swimming tourism tourist tower travelling trends vip white yard