Dan Snow, Anita Rani and Ade Adepitan go behind the scenes to reveal the hidden systems and armies of people running some of the greatest cities on earth.
Country: United Kingdom
Type: unscripted
Status: Ended
Language: English
Release Date: September 8, 2017
Also Known As: World's Busiest Cities, Miasta tętniące życiem
Production Co: BBC Two
2017 | 4 Episodes