a presentation of the Independent Television Service (ITVS) and the National Asian American Telecommunications Association (NAATA), the BBC and ARTE ; produced and directed by Carma Hinton, Geremie R. Barmé, Richard Gordon ; written by Geremie R. Barmé, Carma Hinton, John Crowley ; producer, Jane Balfour
a BBC Studios Natural History Unit production ; a co-production with BBC America, Tencent, WDR, France Televisions and CCTV9 ; a BBC Open University partnership ; executive producer, James Honeyborne ; series producer, Mark Brownlow ; producers, Miles Barton, Orla Doherty, Kathryn Jeffs, Will Ridgeon, John Ruthven, Jonathan Smith
A production of The Documentary Guild in association with WGBH Boston for Nova ; WGBH Educational Foundation ; Executive editor, William Grant ; executive producer, Paula S. Apsell ; written, produced and directed by Rob Whittlesey and Noel Buckner