Dramatic footage from 'roof of the world': Two helicopters collide near Mount Everest | Watch

<a href="https://news.google.com/rss/articles/CBMiVkFVX3lxTE1OVE9XZWVHNms5NVFqQUlMWWJ3VkRJYUkzN3NyNVBNblpaWExGSF9VdG81TXl1dElsVDRpdkxSSmZwZlYwT3c5S25GZFp0djlqRlFJWlp3?oc=5" target="_blank">Dramatic footage from 'roof of the world': Two heli