Part 1
Part 2
Additional resources from PBS: http://www.pbs.org/wgbh/pages/frontline/gate/
For version with Chinese subtitles: http://www.youtube.com/watch?v=r7ou2-Kv4UA&list=PL0938BF24000377A1&fe…
For version with Chinese subtitles: http://www.youtube.com/watch?v=r7ou2-Kv4UA&list=PL0938BF24000377A1&fe…
