Category:Architecture and Structures
Subcategory:Roads
Subcategory Detail:
Keywords:drive, driving, off-road, off road, departure, vehicles, traffic, barrier, barriers, trench, -, extraction, mine, natural resources, international, demand, China, problems, problem, environmental, environment, desert, Gobi, Mongolia, hauling, haul, trucking, trucks, transport, pollution, particles, air quality, unpaved, gravel, mining, coal, dust
