介绍： 版权归原作所有，仅供此学习，若有侵权请告知删除。
[11:56.12]The last reading.
[11:58.28]Forest Fire
[12:00.35]Forest fire or wildfire is often used
[12:03.63]to signify an uncontrolled intense fire
[12:06.84]that breaks out in the wooded areas
[12:09.32]due to many factors ranging from natural to man-made caus...

介绍： 版权归原作所有，仅供此学习，若有侵权请告知删除。
[11:56.12]The last reading.
[11:58.28]Forest Fire
[12:00.35]Forest fire or wildfire is often used
[12:03.63]to signify an uncontrolled intense fire
[12:06.84]that breaks out in the wooded areas
[12:09.32]due to many factors ranging from natural to man-made causes.
[12:14.78]Wildfires can be witnessed throughout the world
[12:17.70]and they usually occur in cycles.
[12:20.66]Mild forest fires are often considered beneficial,
[12:24.76]as growth of many plant species depend on it.
[12:28.62]Many plant species also depend on wildfires for reproduction.
[12:33.48]However, the large forest fires can have serious damaging effect
[12:38.15]on the surrounding environment.
[12:40.53]Due to the extensive size and the immense speed,
[12:44.25]a forest fire can easily spread to a vast area.
[12:48.53]Besides, it can also change its direction
[12:51.45]and overcome occasional barriers like roads, rivers and fire breaks.
[12:57.15]Forest fires break out in areas like grassland, woodland and bush.
[13:02.91]Some important causes of it are lightning and volcanic eruptions.
[13:07.29]Besides these, sparks from rock falls can also cause forest fires.