The most memorable event in my life was happened when I was traveling in Hokkaido. Ten years ago, my sister and I became backpackers to Hokkaido for two weeks. One day, we went to Daisetsuzan National Park. It is famous for its crater lakes and the river covered by snow. There are two ways to get to the crater lakes, one is taking cable car, and the other, of course, is hiking. We wanted to save money and enjoy the amazing nature, so we decided to hike. At first, we rested every thirty minutes. Two hours later, we stopped every ten minutes. Finally, we were too tired to walk. We sat on the stairs and started to sing. Suddenly, we heard a strange sound as we sang. It sounded like growling. We became silent immediately, and looked at each other. My sister said in whisper, “ Did you know that nearly 50% of tourists are attacked by bears every year in Hokkaido?” It seemed that something was moving down the stairs where we just passed. Because of the heavy fog, we could not see clearly. We looked at each other again and yelled,“Bear!!” together. Then, we turned around and ran as fast as we could. We spent ten minutes getting to the top. But if we walk, it will take us thirty to forty minutes. Therefore when we returned, we took the cable car back. We did not know for sure if it was a bear, but this was definitely an unforgettable experience.