In the World's Quietest Room, You can Hear Your Heartbeat смотреть онлайн

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Orfield Laboratories’ ‘anechoic chamber’ holds a Guinness World Record for being 99.99% sound proof. The room is in Minneapolis, and the longest anyone has lasted inside is 45 minutes. Рекомендуем In the World's Quietest Room, You can Hear Your Heartbeat посмотреть онлайн видео бесплатно и без регистрации!