I did do some sports when I was around twenties. Later I became very lazy and did not participate in any sports. Years ago, I found my health declining. I could not walk even for two bus stop distance. it was terrible! Then I decided to do someting. At the suggestion of a friend, I started trekking. To the south of Xian，where I live, there is a mountain range called Qingling. It's a very good place for hikers. I drove to the foot of the mountain, parked my car at a farmers and then started trekking to the mountain. At the beginning, I could only walk for about 1 hour and became as tired as a dog. I did not give up. Now I have been trekking for about 3 years. And i'm able to trek ... read more