Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: Discovered ancient spectacles from Superior Home Video

This is a great video! For the first time in recorded history, discover haunting spectacles that have been sealed underwater from man's view for thousands of years! You'll see ancient underwater forests and unusual geological formations, explore the wreck of the 190th Steamer Tahoe, 372 feet down at the bottom of Lake Tahoe. Includes fascinating volcanic and ice-age recreations in this 60 minute video. superiorvideo.com