More than half of us now live in cities. Crowded, chaotic and bursting with life - these are places under pressure. In this brand new series, Dan Snow, Anita Rani and Ade Adepitan go behind the scenes to reveal the hidden systems and arm…

<p>　　Following the success of World’s Busiest Railway 2015, this new three-part series presented by Ade Adepitan, Anita Rani, Ant Anstead and Dan Snow takes viewers to the heart of three iconic public spaces in the city of New York:…