"If you're happy and you know it, jump up high, If you're happy and you know it, jump up high, If you're happy and you know it, and you really want to show it, If you're happy and you know it jump up high *jump jump* (morning exercises for the chinese army)
American disaster movies "The Day After Tomorrow", "Twister", "Outbreak" and so on were a success..... but the North Korean versions such as "The Day the World Suddenry Drop Four Feet" were not well received by audiences