http://www.nasa.gov/feature/goddard/glacial-rebound-the-not-so-solid-earth
[youtube https://www.youtube.com/watch?v=OpwM6PfcIbg&w=560&h=315]
[youtube https://www.youtube.com/watch?v=Q85RsuhPZCA&w=560&h=315]
des photos ? http://www.nasa.gov/multimedia/imagegallery/index.html
des vidéos: http://www.nasa.gov/multimedia/videogallery/index.html
