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Lightning flashes are very beautiful natural phenomena. In the other hand, they can burn forests, damage installation,<br>affect services and injury animals and people. Although they are an old subject and many studies have been made<br>throughout the world, many questions have to be answered and, maybe, have to be discovered. The suggestion is to<br>create a lightning data base with qualitative and quantitative information. A good qualitative material could be obtained<br>from common people. The results of this preliminar work encourages this.