Bullfrog Films presents ; a Big World Cinema production for TVE and BBC Worldwide ; Television Trust for the Environment ; executive producer, Jenny Richards ; series producer, Luke Gawin ; series editor, Robert Lamb ; producers, Steven Markovitz, Toni Strasburg ; directed by Toni Strasburg
produced, written and directed by John D. Liu ; a coproduction of the Environmental Education Television Project for China and Sichuan Televevsion for TVE