根据以下提示写一篇100词左右英语短文

I am eight years old. I had an unfogetalbe experience last summer. It happened in the mountains. When I climbed the mountain with my best friend Tom, he fell down and broke his leg on our way to the bottom of the mountain. So I had to go back to ask somebody for help. It took us a long time to find him. We were very afraid. So we decided not ot climb the mountains alone.