Down's Syndrome Sufferers Showcase Their Own Capabilities
Well, that's how it was sold to us. The ad is more like a (professionally produced?) patchwork of their everyday activities: laughing with friends, winning karate trophies, going dancing, etc.
The video's about two minutes long and quite moving, though it's probably more so when you understand what's being said. In any case, it won an ADC Gold Cube in Corbis' Search for Justice awards show.