Asahi news reported that two Argentine men were struck and killed by an avalanche in the Ryuoo Ski Park, Nagano, on Sunday, while two Japanese men were killed by a separate avalanche in Niigata.This time-lapse dashcam video is described as showing the snow en route from Nagano to Niigata on January 19. Credit: YouTube/ネットビジネス・アナリスト横田秀珠 (Yokota Shigerutama)">