see more

A traffic jam is seen in Gurgaon as Indian traffic police mark areas as No Parking zones to promote World Car Free day in Gurgaon some 30 km south of New Delhi on September 22, 2015. The 'Car Free' movement intends to promote a sustainable future not reliant on cars, highlighting the congestion that cars bring, and how heavy traffic raises air pollution levels. AFP PHOTO / PRAKASH SINGH / AFP / PRAKASH SINGH (Photo credit should read PRAKASH SINGH/AFP/Getty Images)

A traffic jam is seen in Gurgaon as Indian traffic police mark areas as No Parking zones to promote World Car Free day in Gurgaon some 30 km south of New Delhi on September 22, 2015. The 'Car Free' movement intends to promote a sustainable future not reliant on cars, highlighting the congestion that cars bring, and how heavy traffic raises air pollution levels. AFP PHOTO / PRAKASH SINGH / AFP / PRAKASH SINGH        (Photo credit should read PRAKASH SINGH/AFP/Getty Images)