n.上游(河源)
Maqu Wetland is the crucial headwater of the Yellow River, whose protection counts for the sustainable regional development and safety of the whole Yellow River. 玛曲湿地作为黄河上游的重要水源地，它的发展不仅关乎到本地区经济的可持续发展，更事关黄河水资源的安全，关系到整个国家的生态和经济安全。
n.河源上游
