The tree in the picture doesn't seem to be difficult to cut down. Take some time to clean up here. Even if you can't build a roof, you can clean the ground and close the door to prevent other children from having accidents here.
Supplementary answer: I suddenly want to laugh when I see Feng Shui. If it is a complete house, clean, not to mention the housekeeper, at least someone takes care of it, it is also a place to live; If you are an old man, you should also clean, weed and mow the grass regularly, and plant some pines and cypresses around the grave to let the dead rest in peace and protect future generations.
It's incredible that you're not afraid of real lawsuits, right and wrong, but you're worried about feng shui that you don't have.
I only heard that returning to China with wealth, building large-scale projects and building houses to show off wealth; I have never seen a dilapidated old house, but it can also provide shade for future generations and pay homage to ancestors.
Finally, according to the regulations of farmers building houses in some places, villagers should take back their homesteads after they settle in cities, so as to facilitate other villagers to build houses after separation. Do you know this? If we can't rebuild, we might as well return the land to the village collective. If the registered permanent residence is still in the countryside, and financial resources permit, apply for reconstruction in the original site quickly.