Nikolay Roerich. 1874-1947. The Caucasus (The blue mountains). Study. 1913. Gouache on cardboard
Nikolay Roerich. 1874-1947. The Caucasus (The blue mountains). Study. 1913. Gouache on cardboard
Nikolay Roerich. 1874-1947. The Caucasus (The blue mountains). Study. 1913. Gouache on cardboard
