Skies in Alexey Bogolyubov works

Bogolyubov had a very beautiful skies in his work. I spent my dusk looking into them while listening to String Quintet in E Major, G. 275: III. Menuetto by Luigi Boccherini/Orpheus Chamber Orchestra:

• Moonlit evening in Constantinople, Alexey Bogolyubov
• The seashore, Alexey Bogolyubov
• Castel Sant’Angelo, Alexey Bogolyubov
• Italian Coast, Alexey Bogolyubov
• Moonlit night. Grand Canal (Venice), Alexey Bogolyubov
• Smolny as seen from Bolshaya Okhta, Alexey Bogolyubov
• View of the Smolny Convent from Bolshaya Okhta, Alexey Bogolyubov
• St. Petersburg. Sledging on the Neva, Alexey Bogolyubov
• St. Petersburg at Sunset, Alexey Bogolyubov
• Mosque in Istanbul, Alexey Bogolyubov