If you thought samba and soccer were what Sao Paulo was famous for, think again. It's also known as home to the worst traffic jams in the world! Andrew Younghusband braves the gridlock, and rides with the fearless (some say reckless) motoboys - the couriers on motorcycles who deke in an out of the traffic like it was child's play. Andrew makes a delivery in the notorious favela which gives new meaning to close quarters