This video is from a visit to Sergiev Posad, the centre of the Russian Orthodox Church. “The Architectural Ensemble of the Trinity Sergius Lavra in Sergiev Posad” is also no. 657 on UNESCO’s World Heritage List.
Audio: Russian Orthodox Church Music. Voskliknite Gospodevi 2 (Praise The Lord). Performed by Chorovaya Akademia.
You will find a number of videos from several countries on Sandalsand’s YouTube channel. As you can see from the link above, that’s where the original videos are. In addition all videos and playlists also appear in separate articles on this website, like the one you are on now. You may watch the video right here, or in a larger window on YouTube.