Article 36 The excavation of sand and gravel and of earth within a planned urban area shall be approved by the competent administrative authorities. No such activity may cause damage to the urban environment or produce a negative effect on city planning.

• 第三十六条 在城市规划区内进行挖取砂石、土方等活动，须经有关主管部门批准，不得破坏城市环境，影响城市规划的实施。