Despite exactly what the ads inform you, drones crash on a regular basis. A very good drone will just take an unplanned descent and ground interface (aka: a crash) in stride, devoid of harmful the frame. It can even consist of shields to shield the rotors and electronics from harm. https://www.aeroindustrial.com/compra-drones-dji-y-accesorios-en-la-tienda-en-linea-de-aero-industrial/