Coal emptying out of rail cars in an unloading hopper. A door in the bottom of one of the cars opens and coal bursts out. Coal moving on an outdoor conveyor belt, as cranes work in the background. Mountains of coal are added to by tall machines. A mechanical claw moves coal onto a conveyor belt. A large, traveling hopper, known as a ‘Larry Car’. Gases pouring from a pipe. Thick wedges of fiery coke fall into rail cars.