The frightening moment an avalanche thundered down a mountainside and slammed into a train traveling through the Swiss Alps was captured by a tourist.The dramatic incident unfolded on Feb. 17 near the popular ski resort town of Zermatt in southern Switzerland’s Valais canton.Kirsten Osborne, an Australian woman living in the U.K., was on the train with other passengers when the avalanche suddenly struck, according to Storyful.She filmed the shocking moment a massive wall of snow barreled down the mountain toward the train.9 CALIFORNIA SKIERS STILL MISSING AFTER AVALANCHE; 6 RESCUEDIn the video, a child can be heard saying "uh-oh!" several










