The height on the left side of the tomb is beneficial to the eldest son and the height on the right side is beneficial to the second son. The grave is tall and big, and later generations call it a hero. After the grave is low, children and grandchildren will have no food and clothes to wear when they are old.
Yin house pays attention to the back of the mountain, which is the main factor of population, so there are mountains overlapping behind the grave, and the front is relatively open and gradually declining, which is beneficial to future generations. Solemnly declare: the above contents are for reference only, please don't be superstitious.