関連ワード:
what would happen if the world was upside down what would happen if the earth was upside down what would happen if the world turned upside down what would happen if the world flipped upside down what would happen if the earth flipped upside down what would happen if the earth turned upside down what would happen if the earth went upside down what would happen if the earth was straight up and down what would happen if the earth's axis was straight up and down what would happen if the earth's axis went straight up and down
