Book Two Unit Fifty-three

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Afer firemen had put out a big forest fire in California, they had been trying to find out
how the fire began. Neither broken glalss nor cigarette ends were not the cause. It was a curious coincidence that this morning a fireman noticed the remains of a snake which was wound around the electric wires of a 16,000-volt power line. A bird made the snake wind around the wires. Thus sparkes were sent down to the ground and a fire broke out.