What is a town of watermark?

Bridge from the grave 50-100 meters, if in a grave to shuikou, called town watermark, on the bit to the left of the shuikou, 1, 3, 5, 7, 9 houses a noble, if in the right side of the gate 2, 4, 6, 8, 10 houses a noble, bridge, the higher the more expensive.

Bridge if you do not appear in the shuikou, forward in harmless for 100 meters.Conversely if within 15 meters, have bridge mouth to the grave, a straight line, in the left bearing for dragon tun, people not auspicious, if in the right place for the tiger eat too big not auspicious, the quartet so on.As in the southwest corner of YangZhai appear the above situation, the more fierce.