What is a feng shui cemetery with lights hanging on the wall?

What is a feng shui cemetery with lights hanging on the wall? -where there are caves, there are steep mountains up and down or pure broken steep stone mountains. There is a small nest in the middle, like a bird's nest or an upside-down circle at the bottom of the bowl. The big nest is several acres wide, and the small nest can only accommodate a coffin cemetery, which is used to hang light holes on the wall. There are one or two plants on the outer edge of the nest, or thatch or big tree, which means wick, which is even more magical. The requirements for the existence of this cave are: 1, steep up and down; 2. Create a natural nest in the middle. Similar to ancient people's lighting at night. Nail a board to the wall, put an overturned bowl on the board, or put the bowl directly, with oil and wick built in, so that the fuel can be used for lighting at night. It should be noted here that someone dug a mountain burial grave on a steep mountain, also called a lamp hole on the wall, which should be a fake lamp hole on the wall.