Why did the cemetery feng shui send the eldest son?

The eldest son of feng shui in the cemetery

It is determined by the landscape of the cemetery and the prosperous mountains and rivers, as well as the luck of the country. Not all cemetery feng shui gives birth to the eldest son. Some give 2 cents, some give 3 cents, and so on.

We can't generalize.

I don't understand a word or two. Contact, explain in detail,