The Lemmings Mystery

On French Television, my friends Olivier Gilg and Brigitte Sabard explain why populations of lemmings go up and down and up and down... (I was with them in Greenland last year). Enjoy! or via this link: http://www.france3.fr/STATIC/video/index-fr.php?titre=Lemmings&url=mms://a988.v101995.c10199.e.vm.akamaistream.net/7/988/10199/3f97c7e6/ftvigrp.download.akamai.com/10199/sgv/diff/videotheque/regions/bfc/emissions/cotedocs/7B5DA_b21a_jt_081018_lemmings.wmv&section=regions_bfc&rubrique=video