Fail Over Test. This Video (by Pavel Danilyuk) links to an existing blossom server (nostr.download) which does not have the content. The content can only be shown by falling back to the users (10063) blossom server list.

https://nostr.download/4c96ae20a0e3cb178b7f3065c053dc17c44639eebf3949047f8986e0885c9742.mp4