Beijing, Jun 4 (Youth.cn) - A community and a primary school in Lianyungang City in Jiangsu Province co-organized a wetland knowledge class for pupils. Participants got to know about aquatic plants like lotus, water chestnuts, common rush, yellow iris and purple loosetrife. The tutor taught the knowledges about wetland protection and aquatic plants and brought pupils to a pond to see the co-existance status of multiple aquatic plants. On upcoming “World Environment Day”, pupils knew better about how to protect water ressource. Photo/CFP