3月22日是第四届“世界水日”，22日至28日是第九届中国水法宣传周。今年的宣传主题是依法治水、科学管水、强化节水。为了提高全民的水患意识．使关心水、保护水、珍惜水成为每个公民的自觉行为，让全社会都来关心水利，参加水利建设。3月22日水利系统在兰州市东方红广场举行 March 22 is the fourth “World Water Day”, 22 to 28 is the Ninth China Water Law Publicity Week. The theme of this year’s propaganda is to rule by law, scientific management of water, and strengthen water conservation. In order to raise public awareness of flooding. To care for water, protect water and cherish water become the conscious act of every citizen, let the whole society care about water conservancy and participate in water conservancy construction. On March 22, the water conservancy system was held at Dongfanghong Plaza in Lanzhou City