Texan spiders spin 'monster web'

It is not the work of one giant spider - rather, millions of small ones have been spinning away and now it is twice the size of a football field.
Park rangers are not sure why the spiders have joined forces - they describe it as a rare occurrence.
Texas A&M University entomologist Professor John Jackman told Associated Press that there were reports of similar webs every couple of years.
The web covers a 180m (590ft) stretch of trees and shrubs in the park.
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