The recent huge technological development of unmanned aerial vehicles (UAVs) can provide breakthrough means of fighting wildland fires. We propose an innovative forest firefighting system based on the use of a swarm of hundreds of UAVs able to generate a continuous flow of extinguishing liquid on the fire front. simulating the effect of rain. Automatic battery replacement and extingui... https://www.danddcollectiblers.shop/product-category/watch-accessory/