How can Feng Shui master see that there is an old grave buried underground?

The reason why Feng Shui has strong vitality is that the Chinese nation is profound and profound, and the so-called secret is summed up through thousands of years of practice. Authentic Feng Shui master, through the combination of heavenly stems and earthly branches and Yamagata, can judge the treasure land of Feng Shui at a glance, and definitely draw your conclusion. As heroes think, so thought Bruce.