Watch Free Online on Hurawatch. Our linguistic diversity is fading, the dynamic force of transmission has dwindled, and dominant languages have gained even more ground. Every week one language is lost to the world. Of the 7000 languages known to experts today, half will be lost to mankind before the end of the century. Lena Herzog focused on the subject for "Last Whispers", an immersive oratorio for a high-tech audio and video installation.