Take shadow of the Colossus, take away the story, the purpose, the Colossuses and the battles.
You are always kept waiting for "something" to happen, a boss fight, and explanation, anything, but no it's just a journey through very impressive scenarios, at the end you will find yourself in peace and longing for something with a little more meat. t would definitely work as a charming video for any and all of the Enya albums to date.
Enjoy, but do not expect anything more than exactly the same impression from the first 5 minutes...for five repetitive peaceful hours. Just a line or two every now or then, a narrator, something to enlighten the player would have made a big difference.