Imported Audi 4-wheel-drive vehicle in traffic on Xian main street, China

4 wheel drive 4wd 4x4 air pollution air quality automobiles buses busy roads carbon footprint china chinese chinese traffic city life city living congested congestion crowded diesel fumes east asia eastern stock image exhaust emissions far east four wheel drive global warming heavy weight of traffic imported cars imports jams off road vehicles off roader offroad offroader overcrowded overcrowding pollutants polluting environment poor air quality population explosion population growth rush hour rush hour suv shanxi slow moving smog smoggy day sports utility vehicle traffic conditions traffic jam traffic lanes transport transportation urban lifestyle volume of traffic car cars daytime driving full length full lengths horizontal journey journeys motorways outdoors outside over populated polluted stock image stock photo stock photograph travel travel photo travel photograph travel photography travel stock travelling travels urban living travel destinations travel destination chinese stock image travel experience color image color colour tourism destination