State Route 64 eastbound along Grand Canyon South Rim, Arizona, USA

An eastbound train hauling coal from western strip mines passes through the Union Pacific Railroad's Bailey Yard, the largest rail yard in the world which handles 14, 000 rail cars every day, North Platte, Nebraska, USA

An eastbound train hauling coal from western strip mines passes through the Union Pacific Railroad's Bailey Yard, the largest rail yard in the world which handles 14, 000 rail cars every day, North Platte, Nebraska, USA

An eastbound train hauling coal from western strip mines passes through the Union Pacific Railroad's Bailey Yard, the largest rail yard in the world which handles 14, 000 rail cars every day, North Platte, Nebraska, USA