The leaves upstairs fall to the property downstairs, no matter what.

Article 286 of the Civil Code stipulates that the owners shall abide by laws, regulations and management regulations, and relevant actions shall meet the requirements of saving resources and protecting the ecological environment. For property service enterprises or other managers to implement emergency measures and other management measures implemented by the government according to law, the owners shall cooperate with them according to law. The owners' congress or the owners' committee has the right to require the actor to stop the infringement, remove the obstruction, eliminate the danger, restore the original state and compensate for the losses in accordance with laws, regulations and management regulations. If the owners or other actors refuse to perform the relevant obligations, the relevant parties may report or complain to the relevant administrative departments, which shall deal with them according to law. So the property also has the obligation to maintain the order of the community. According to the provisions of the Civil Code, if there is acousto-optic pollution in residential areas and their rights and interests are damaged, they can request the owners' assembly and owners' committee to govern, or they can request the management of residential property. If the infringer refuses to stop his infringement, the victim can also report or complain to the relevant administrative department, and the relevant administrative department will intervene in the control.