Here is a nice 16 part documentary on aviation in Russia. There are a LOT of interesting planes! I'd truly like to build several. It's well done but narrated by a bot.. enjoy. Here is a link to the playlist.
https://www.youtube.com/playlist?list=PL69B0CB4788F64720
https://www.youtube.com/playlist?list=PL69B0CB4788F64720