Note: Original quality of photographs might be affected by compression algorithm of the websites where they are hosted.
Source and more info at:
Photographer Sasha Gouliaev Website
Photographer Sasha Gouliaev on Flickr
Photographer Sasha Gouliaev on Pinterest
Photographer Sasha Gouliaev on Facebook
Photographer Sasha Gouliaev on Instagram
Photographer Sasha Gouliaev on VKontakte
Ballet: The Best Photographs 