At last firemen have put out a big forest fire in California.<br>Since then, they have been trying to find out how the fire began.<br>Forest fires are often caused be broken glass or by cigarette ends which people carelessly throw away.<br>Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.<br>They were also quite sure that a cigarette end did not start the fire.<br>This morning, however, a fireman accidentally discovered the cause.<br>He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.<br>In this way, he was able to solve the mystery.<br>The explanation was simple but very unusual.<br>Một con chim đã giật lấy con rắn lên từ mặt đất và sau đó bỏ nó vào dây. <br>Con rắn sau đó vết thương tự vòng dây. <br>Khi nó đã làm như vậy, nó gửi tia lửa xuống mặt đất và những ngay lập tức bắt đầu một đám cháy.
đang được dịch, vui lòng đợi..
