1, burying ancestors requires "getting angry", which is an auspicious atmosphere;
2. Digging out water is because it meets springs and rivers, and it is not suitable for burial because it sees the truth;
3. "Dig 20 cm deep in the middle of the gold well, with the middle low and the sides high, and hold the coffin", which is the folk prescription of coffin anticorrosion.
4. There is no river on the back of the grave, especially in the north, east, southeast and southwest.
Hehe, I wish all the best!