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The lack of water resources is one of the greatest problems we face nowadays, especially in Africa, Because of lack of water-purifying facilities, the unsanitary water causes a series of relevant diseases, therefore every year it leads to a large death rate.
The local climate is hot and dry, so they could take advantage of the sun to evaporate and purify water. In this way, they could obtain a lot of clean water. If they install it on their tents and form a residential system, they could not only solve the problem of sanitary drinking water, but also save a lot of time and effort.
충청북도 청주시, South Korea