From : xuan cucDinh* Bang Vu*PkDoan*Loc Nguyen*Tam Nguyen
1/ ANTARCTICA
Nam băng dương
http://caonienbachhac.com/antartica.pps
Fr: KimBaoNguyen*Jeanne Marie Belluccini
2/ HUMAN PLANET
http://www.youtube.com/watch_popup?v=2HiUMlOz4UQ&vq=large