Firstly,the earth will become a large garden and the air will very clean without any pollution.
Secondly,people will use robbers to do most of the work and they will ride an special bike instead of taking cars.
Thirdly,all the countries become a big family and the people comes from different places live peacefully.
Also people will share the earth-life with the other lives and there won't be wars.
Finally,the earth will become the most suitable place for human to live.
自己刚刚做的,
