Sustainable development of ice landscape in Harbin

The paper analyses the practice to realize the sustainable development of ice landscape in Harbin. The specific measures include ice landscape layout, the use of energy saving light source, ice recovery. The study methods are investigation and illumination tests around the ice lanterns on-site. All of Large-scale ice landscapes are built near the Songhua River which across the city so that we can get the free and pure ice from the river quickly. LED technique was applied to ice landscape lighting to reduce the power consumption in 2008. LED light isn´t fragile and contains no toxic substances. More and more people are interested in ice landscape, and they become the internal impetus to the ice landscape development. The study also finds out some problems. The collection and reuse of ice lack feasible measures, and about 120,000 cubic meters ice aren´t recycled every year. The higher price of LED source has affected its popularity, and the excessive lighting of ice landscape can lead to light pollution. Some factors decide the ice landscape sustainable development such as ice recovery, energy saving, environmental protection and related cultivation of professionals.