It stands to reason that the back of the house should be a mountain, so-called last stand, the reason why the front is a mountain is definitely the south, and there is sunshine, so the house is built like this. In this case, it's nothing, just pay attention to the water rushing down the mountain and not affecting the house, and pay attention to the falling stones. You can build a wall in front of the house, or build a stone pile to prevent rolling stones.
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There was no suggestion upstairs, so you adopted it. Wait a while next time, don't rush to adopt it.