The Ghost Trees in Pakistan

The eye-catching phenomenon is an unexpected side-effect of the flooding in parts of Pakistan. Millions of spiders climbed up into the trees to escape the rising flood waters, shrouding them with their silky webs. Because of the scale of the flooding and the fact that the water has taken so long to recede, many trees have become cocooned in ghostly spiders webs.
source by:http://www.wonderslist.com/10-amazing-things-in-nature/