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In the discussion, this issue has gradually extended to the discussion of Chinese urban nightscape planning and lighting projects. What exactly is the light to reflect? Dr. Han’s more in-depth analysis, at this fast, we have more substantial differences. Let's talk about foreign countries. In order to improve the environmental quality of the city, they combine lighting with culture, tourism and urban management. For example, the lighting festival in Lyon, France, is the interaction of people's lighting. Enterprises participate, the government sets up a company to sing, and engages in activities through lighting, and participates in the exchange of light culture. Most of the domestic image projects, only to pursue the bright, what is the extension product? No one will consider it. In fact, China's lighting culture is far earlier than domestic ones, such as the 15th Lantern Festival in the first month of the Lantern Festival, but it does not combine lighting and urban management and tourism, staying at the material level, not ascending to a higher level, people and light. The interaction has not yet begun to consider, this is very sad! The pace of history will not stop, and the gap in China's urban planning will improve? This is what we are currently concerned about. Yes, the past does not represent the future. Dr. Han’s tone answered lightly, the development of domestic lighting is very fast, and it is obvious that the development is very fast, the concept of understanding is improving, and in general it is an improvement. But it is still built on the stage of crossing the river by feeling the stones. If there is a scientific decision, it can be put in one step and enter a high standard. At present, many cities are colorful, but many people have proposed blue, pure, unified and graded, indicating that the concept is gradually changing, and very fast. Unexpectedly, the visit has penetrated into the discussion of light culture and light pollution. Perhaps many people have not paid attention to it. At present, China has focused on energy conservation and emission reduction. Dr. Han went on to say that the United States recently proposed to sanction China. China is the world's largest carbon dioxide emitter, and energy consumption per capita is too wasteful. Due to domestic and foreign pressures, the state has already reduced energy conservation to focus on key management projects, but the implementation of management is not enough. I believe that the Ministry of Construction will gradually introduce more constructive policies, and Hangzhou has taken the lead in making the nation's first. A city-level green lighting plan, not yet in other cities. The State Council has identified ten major lighting projects, of which green lighting projects are one of the top ten projects, and energy conservation and emission reduction is related to various fields. Lighting engineering is also one of the areas, so there will be some action in this field. We are confident that we will let the city shine up to the level of light and people interaction after meeting the principle of energy conservation and emission reduction, and use the light to manage the city! Back to the hot topic of urban night planning, everyone is talking about green lighting and light culture, light harmony, especially asked Dr. Han what practical experience and ideas? Director Han’s suggestion is that the development of lighting is too fast, but it is not as bright as possible. From a green perspective, it is necessary to make a scientific decision, first planning, and then professional design. Planning is ahead, design is behind, and planning is strategic. If you adhere to good planning guidance and professional design, you can say that you have reached the standard of light harmony. The harmony of light is not the highest level. The higher standard is the interaction between people and light mentioned above. Use light to manage the city, use light to please people, and touch people! Character introduction: Han Mingqing, deputy director of Hangzhou Lighting Office
Doctor of architecture
National Registered City Planner
Director of Zhejiang Lighting Society
Deputy Director of Zhejiang Provincial Light Environment and Lighting Design Committee
Editorial Board of "Lighting and Electrical Appliances"
Special Teacher of Light Environment and Lighting Design, Department of Art and Design, Zhejiang University
Aladdin expert column special experts 
Han Mingqing: Pursuing the interaction between light and people (Photos)
Recall the gap between foreign light brigades and ideas. Prospects are optimistic about development, and light and culture are long-term. As the deputy director of the Hangzhou Lighting Office and the national registered urban planner, Dr. Han Mingqing has repeatedly visited the foreign countries on behalf of the Chinese expert group to learn and exchange foreign advanced urban planning and design concepts. This trip brought great shock and reflection to Director Han. We also saw the idea that he shared with friends on the Internet... The trip to Europe has been three years, when Dr. Han was seen. I shared a lot of feelings when sharing notes. Internationally, especially in Europe, many international metropolitan lighting projects let us see the obvious gaps in our own existence. Let us recall, where are we “poor� This question is a bit heavy and contemplative for a moment. Director Han said that the biggest difference is that the difference in ideas is too great, and there is a fundamental difference between appreciation and level of understanding! Of course, this is also due to the level of social development and education. For example, the current night scene in China is very fancy and the light pollution is serious. The planning of foreign night scenes is quite uniform, and the visual senses are comfortable. Foreigners can't stand China. This problem actually reflects the gap between managers, the quality of the people and the level of education. The light is not lying, and the light directly reflects the development of the professional level of lighting. The gap in practice can also be seen. For example, the night scene design in foreign countries is very delicate and attention to detail. The domestic is rough and does not fully reflect the real demand for light. In addition, foreign lamps are hidden, seeing no light, D?D "lightingdesign" light design rather than lamp design. Foreign countries emphasize energy conservation and environmental protection, while domestic pursuits are brighter and brighter. The source of this is that China is not yet a perfect legal society. Some enterprises do not hesitate to destroy the public environment in pursuit of profits, resulting in high energy consumption, poor quality and high maintenance rate. The development of foreign capitalism has established a scientific restraint mechanism for hundreds of years. The mechanism restricts enterprises from dare to excessively pursue profits and harm public interests. The European approach is different, and many implementation methods are worth learning.