A giant spider web spanning more than 300 yards long, has covered a beach in the town of Aitoliko in western Greece, The Guardian reported Thursday.
The last time such a phenomenon occurred was in 2003 and, while experts said it is not uncommon, it is still enough to give arachnophobes the shivers.
Video footage of the phenomenon posted to YouTube by Giannis Giannakopoulos shows the web covering a large expanse of vegetation and floor of the beach.
The spider behind the occurrence is the Tetragnatha genus, a small arachnid species with elongated bodies that can run across water, The Guardian explained.
Molecular biologist Maria Chatzaki told Greek news websites Newsit that the spiders were not dangerous and that their expansive web will not cause any damage to vegetation.
Chatzaki noted that it was a seasonal phenomenon that occurred mainly at the end of the summer and early autumn and arose from a "population explosion."
A large number of male and female spiders mate under the webs then produce offspring in an ongoing cycle.
The phenomenon is not as unusual as we may think, although it takes favorable conditions to occur.
"It's as if the spiders are taking advantage of these conditions and are having a kind of a party," Chatzaki said, according to the BBC. "They mate, they reproduce and provide a whole new generation."
Chatzaki explained that the spiders were not dangerous for humans and would "have their party and soon die off."
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