2. Looking at the terrain, it is not a good choice to build buildings on isolated hilltops, on water bodies, on ridges and on water bodies. Can't be built under cliffs and so on.
This is a question about the relationship between the vertical direction of the building and the surrounding mountains. Therefore, there is a high-quality external environment around, which is the basic condition for creating a good feng shui in a villa. Whether these conditions are used reasonably or not needs to be realized vertically.