Immigrants in and out of the mountains

Why can't you see the true face of Lushan Mountain? Just because I'm in the mountains.

It is intended to explain and observe things, unless you are outside the complicated things, you can't really understand their true colors.

"I don't know the true face of Lushan Mountain" is often used to describe that I can't recognize a person's true details and talents, and "I am the only one in this mountain" can best describe the situation of "the authorities are fascinated".