During summer, some large wetlands in Heilongjiang Province have attracted many visitors. It has became a hot destination for traveling. At present, the number of Heilongjiang nature reserves have reached 197. The total area of the nature reserves is 6.20 million hectares and accounts for 13.6% of China鈥檚 area. It hands out all the functions of ecological environmental protection and tour sightseeing. Some of the nature reserves were ranked globally with regional protection importance by international organizations.