People are being told to stay away from beaches.
Black Hornet Nano - known as just 'Black Hornet' - is one of the smallest types of surveillance drones created by Teledyne.
In Krakow,Poland,on October 3,2025,soldiers participate in the official celebrations of the 6th Airborne Brigade Day at the Polish Aviation Museum (Picture: Getty)
The web stretches 1,140 square feet - roughly the size of a semi-detached house.
Since April, more than 100 people have been injured and at least 12 killed in bear attacks across Japan.
