presented by Ying Qiming, Gan Chao, and Michel Noll ; a film by Chen Fu and Sheng Shiping ; a production by Documentary Channel, Shanghai Documentary Group, Solferino Images
co-produced by Frontline and Hedrick Smith Productions ; senior producer, Hedrick Smith ; producer, Marc Shaffer ; director, Rick Young ; guide written by Aruna Jain [and others]
Ingenious Media and Rogue Black present ; in association with Infinitum Nihil and Windhorse Entertainment, MagnoliaMae Films UK, HanWay Films Limited, Head Gear Films, Metrol Technology, LipSync ; a Metalwork Pictures production ; directed by Andrew Levitas ; written by David K. Kessler, Stephen Deuters, Andrew Levitas, Jason Forman ; produced by Sam Sarkar, Bill Johnson, Gabrielle Tana, Kevan Van Thompson, David K. Kessler, Zach Avery, Andrew Levitas, Johnny Depp
Bullfrog Films presents ; A production of Earth Image Films for Nova ; WGBH Educational Foundation ; Producer, Christopher McLeod, Robert Lewis ; writer/director, Christopher McLeod ; for NOVA, senior producer, Kathleen Bernhardt
written, directed, edited & produced by Tom Weidlinger ; a Moira Productions film in association with Dateline Productions ; Lillian Lincoln Foundation
a Frontline co-production with Hedrick Smith Productions ; WGBH Educational Foundation ; Frontline executive producer, David Fanning ; senior producer, Hedrick Smith ; producer, Marc Shaffer ; written by Hedrick Smith and Rick Young ; director, Rick Young