Beijing, September 10 (Youth.cn) - Lush and green grasses alongside river, roads cross rows of houses - ecological city landscape can be seen in Jiujiang, Jiangxi Province. Guided by "ecology first, green development" principle, the local authority has active and overall plan to protect mountains, rivers, forests, fields and lakes. By protecting rivers and nearby areas, restoring vegetation, saving natural resources, reducing water pollution, the city "green belt" was further built to exploit green asset and its economic values. Photo/VCG