Extinction de masse et de l 'homme - 1 de 3

http://www.dailymotion.com/user/Introcrate/video/x8dlu8_lextinction-de-l-homme-1-de-3_news

http://www.dailymotion.com/user/Introcrate/video/x8dlqg_lextinction-de-l-homme-2-de-3_news

http://www.dailymotion.com/user/Introcrate/video/x8d97j_lextinction-de-l-homme-3-de-3-rayon_news