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Right now natural parks have two big problems, the first one of them is to detect rhinos and non-authorized people in the area. That has been done with helicopters and planes up until now, but that is very expensive. In addition, you cannot see people who hide under trees from a plane. We solve this with thermal cameras. We use a drone that carries that kind of camera and looks over that area or those places suspected of having this kind of problem and it detects hot points. Like we see here. This shows people. Every pixel has a different color depending on how hot it is. This is placed on the drone, that takes a picture and reports directly to the ranger.