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In today's economic globalization, tourism is also the inevitable result of the world's economic and social development, because tourists are the first time to arrive, do not know where the safe haven,so when natural disasters occur. Some tourists tend to panic and run around in their hearts. The drone can quickly direct people in the right direction in such cases. When the accident happens, the EG drones fly into the crowded sky, flashing a light that shows people seeing the green arrows and heading for safety. EG drones can also be used in other scenarios, such as beach tsunamis, urban earthquakes, forest fires, and various rescue efforts.