A rescue operation is underway to save hundreds of hikers trapped on the Tibetan side of Mount Everest by a huge, unseasonable snowstorm that dumped meters of snow on the Himalayas over the weekend. Chinese authorities say that 350 hikers have been helped from Everest since heavy snow started falling on Saturday night—but that at least 200 more have been contacted who are still stranded at the Everest Scenic Area, to the east of the mountain in Tibet, at an elevation of over 4,900 meters. On Mon