Massive spider-webs stretching across trees and paddocks formed near towns in Australia hit by floods. In one area, a spider-web covered more than a kilometre along a road.

When large numbers of ground spiders start spinning webs all at once, the webs begin latching on to each other and form giant swathes of silk — something called the gossamer effect.

Each spider only contributes one thread, meaning that every line of silk represents a different spider. These threads then connect to each other creating the illusion of billowing silk sheets - knows as the gossamer effect. The threads are so thin and delicate that the wind can break the web dispersing spiders across the tops of vegetation.

More Info: www.insider.com