Traditional Culture Encyclopedia - Traditional festivals - Landscaping steps must be made into a horizontal elevation?

Landscaping steps must be made into a horizontal elevation?

Here are two concepts: 1, the concept of elevation. Elevation is calculated from the height of the ground floor of the ground floor indoor equivalent to the height of the Yellow Sea level. And the ground floor indoor ground to the outdoor steps ground has a height. 2, the concept of height. Height is calculated from the actual ground to zero. The question you ask should be, the height of the house including the height of the outdoor steps.