The time and interval of satellite aerial photography of illegal land is once every six months and twice a year, in June and 65438+February respectively.
If the building is determined to be illegal by aerial photography, it must be demolished according to law. Non-agricultural construction must save land. Those who can use wasteland shall not occupy cultivated land. Those who can use inferior land shall not occupy good land. It is forbidden to occupy cultivated land to build kilns and graves, or to build houses, dig sand, quarry, mine or borrow soil on cultivated land without authorization. It is forbidden to occupy basic farmland to develop forestry and fruit industry and dig ponds to raise fish.