问题描述：
去房山 爬山
最佳答案：
Yesterday was Saturday.Lin Jiali and I came to the Nanshan Mountain by Bus 226.We climbed and climbed.We are thirsty and tired.We stopped to climb and drank some water.Then we climbed again.Look!The Nanshan Mountain is very beautiful.The tree is green.The water is clean.The air and the land clean,too.So we took a lot of photos.It was fun.We were so happy.
Come and climb the Nanshan Mountain!You can do these things too.
