What can cause a fire in the forest?

Not extinguished bonfires tongue, broken glass can focus the sun’s rays on dry grass and ignite it. Any other careless action of man in the forest with fire. As well as some natural phenomena of lightning, volcanic eruption

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.