It is well known that aero(航空) sports have been popular in the US, New Zealand and other countries for years. China’s Hainan is famous for its natural
Aero sports, including items such as skydiving and hot air ballooning,
With the
According to a review of evidence in a medical journal, runners live three years
The best exercise is one that you enjoy and will do. But otherwise… it's probably running. To avoid knee pain, you can run on soft surfaces, do exercises to
Jonny: Hey! I’m just practicing Tai Chi(太极). Would you like to join me?
Peter: I know nothing about it. Is it difficult?
Jonny: It seems easy, but you need a lot of practice. You just follow me like this.
Peter: OK. Don’t laugh
Jonny: Bend your knees slightly and reach out your arms like tree branches, naturally and
Peter: I cannot control my body well. My legs become
Jonny: Keep
Peter: I feel my legs shaking. I cannot do this any longer.
Jonny: Be patient! Tai Chi
Peter: Unbelievable! Oh...,