Can’t hear this heavy metal band playing underwater? That’s the point. This Portuguese PSA demonstrates how drowning happens silently. (warning: distressing themes)<br />» Sign up for our newsletter KnowThis to get the biggest stories of the day delivered straight to your inbox: https://go.nowth.is/knowthis_youtube<br />» Subscribe to NowThis: http://go.nowth.is/News_Subscribe<br /><br />For more world news, subscribe to NowThis News.<br /><br />#psa #swimming #health #Politics #News #NowThis
