2. Breaking ground means digging with a hoe when building a house. That is to say, "breaking ground" is a yin house, and "breaking ground" refers to a yang house. When building a villa, the date and time when you choose to shovel the first shovel from Kyrgyzstan is called "breaking ground". Ji's choice is the first hoe to extend the position according to the geomantic omen of Bazhai. After breaking ground, build the house and then "thank the soil".