Lots of people tell me,the most difficult things in the world is knowing yourself.I cannot understand this Sentence until now. What that means?Let me tell you.
There are kinds of animals in this world,and I want to talk to you about Eagles.I think they are the most powerful animals in the animal world.Many people learn that the eagle can live to be 70 years old in the wild.And I want to tell you why they can live more than 70 years.