Gurgaon Police Commissioner Navdeep Singh Virk (C) rides a bicycle 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 (Photo credit should read PRAKASH SINGH/AFP/Getty Images)
