BBC Earth, Reliance Entertainment and IM Global Present ; a BBC Earth production ; directed by Mike Slee, Patrick Morris, Neil Nightingale ; produced by Myles Connolly, Neil Nightingale, Amanda Hill
produced & directed by Giles Badger ; a BBC Studios Natural History Unit production ; co-produced with BBC America, Tencent Penguin Pictures, ZDF, France Télévisions and China Media Group CCTV9