Children and their parents visit at China's Wetland Museum in Hangzhou, capital of east China's Zhejiang Province, Aug. 5, 2010. The museum receives an average of nearly 5,000 visitors per day in this summer vacation. China's Wetland Museum, with the exhibition area of 7,800 square meters, consists of four wetland-themed exhibition halls. Sample exhibitions, interaction activities, experiments and multimedia shows are applied to display contents about world wetlands, representative Chinese wetlands, threat to wetland and wetland protection.. [Xinhua]