With regard to World Water Day, the international commemoration of World Water Day is an initiative of the United Nations Conference on environment and development (UNCED) held in Rio de Janeiro. The general assembly of the United Nations has adopted a resolution to designate March as World Water Day. In accordance with the recommendations of the United Nations Conference on environment and development contained in Chapter 1 (freshwater resources) of the agenda, countries are invited to spend one day to implement the recommendations of the United Nations and to carry out specific activities at the national level as appropriate.
The assistance of the international water and Sanitation Centre of the centre and contributions to an information network centre as needed are welcome To support governments in commemorating the day.
Water is a theory and a small cycle. From the evaporation of water vapor, ocean current to land, condensation into rain, snow, hail, etc., part of the ground falls back into the atmosphere, while the rest is formed by evaporation of underground runoff, or to the ocean. This theory of water movement between sea and land, the so-called water cycle in local areas (land or ocean) is called micro water environment Intertwined, and on a global scale, in every part of the planet.
Shuidonggou is one of the earliest Paleolithic cultural sites in China. It is known as "the birthplace of Chinese prehistoric archaeology" and the historical evidence of cultural exchange between the East and the West. It is listed as "one of the most important archaeological discoveries in the sites of Chinese civilization".
It is also honored as the national key cultural relic protection unit, the national four level scenic spot, the National Geopark, and is rated as the national key cultural relic protection Units, national scenic spots, National Geopark Silver Award, including ghost city, whirlwind cave, wo Tuo Ling, Ferris cliff and many other magnificent landscapes, unique Yadan landform and strange craft create the cloud Valley and the strange willow ditch, recording the infinite continuation of human life and growth, making this land mysterious and full of vitality, forming the ancient military defense body of the Great Wall The three-dimensional structure of the Department consists of "the edge of the city," beacon towers, fortresses, barracks, and ancient army shelters, making it a kaleidoscope of the best preserved military defense buildings in China. Tourists from home and abroad have been longing for Shuidonggou, a tourist attraction for tourists both at home and abroad.