About four hundred South Korean and U.S. marines participated in a joint military drill in the ski resort town of Pyeongchang, about 180 km (113 miles) east of Seoul.<br/> <br />The training, which took place on February 7, included armed marines skiing down a snow-covered slope while aiming guns at hypothetical enemies and simulating war in the snow.<br/> <br />The marines then stripped off their shirts and flung snow at each other.<br/> <br />This year's exercise was held amid high tensions in the region due to a possible third North Korean nuclear test.
