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The Xi'an City Wall Lantern Festival is a traditional project of Xi'an people's New Year and has always been welcomed by the public. Compared with previous years, the organizer has made a fuss about the shape and quantity of lanterns. During the Chinese New Year this year, the low-carbon energy-saving LED lamps were used for the first time as the main lighting and lighting decoration equipment for city wall lighting and city wall lighting.
According to the person in charge of the Xi'an City Wall Management Committee, the lighting lamps used in the four gates of the east, west, south and north, as well as the surrounding scenic spots, were all changed into LED lights. The large roofs of the four city gates are small and high-power (1W). LED floodlights are arranged in the roof tile according to the even spacing. The unique amber yellow light effect can evenly illuminate the whole roof, supplemented by the light effect of the small-power floodlights of the mouth, making the whole roof magnificent and thick. simple. The lower part of the mouthpiece is designed with unique painted arches. It uses 1W and 3W LED floodlights for corresponding projection. It uses its rich structure and perfect color to create a brightening effect. In the part of the porch of the tower, the 6W LED floodlights are partially illuminated, which not only shows the rounded visual effect of the column, but also makes the effect in the tower more prominent.
Engineers responsible for the design and installation of LED lighting equipment in the city wall said in an interview that the maximum power of LED lamps used this year is only 6W, and the average power of all lighting equipment is only about 4W. Previously, the lighting fixtures of Xi'an City Wall were more than 20W, and the power of some locally used projection lamps exceeded 100W. In this comparison, the energy saving effect is self-evident.
Due to the use of energy-saving lamps, the lighting power consumption of the Xi'an City Wall during the Spring Festival this year has been greatly reduced. According to the staff of the Xi'an City Wall Management Committee, the power consumption of the city wall lighting during the Spring Festival this year is less than 1/3 of that of previous years. The scale is obviously larger than before: in addition to the original four north and south gates of the east and west, the main roads in the four walls including East Street, West Street, South Street and North Street are on both sides of the road near the city gate and the bell tower. They are decorated with festive lights with new LED lights. The bell tower, the drum tower, and its surrounding squares were also decorated with different types of LED lights.
In this regard, many Xi'an names have expressed their support. Mr. Zhang, a citizen of Xi’an who lives at the foot of the city wall, said: “The city wall is a business card of Xi’an. Illuminating the city wall with colored lights is the practice of beautifying the city wall in Xi’an. But in the past, traditional lighting equipment was used, which not only cost electricity, but also Bad. Once a lamp fails, it may turn black and it is very unattractive. The use of LED lights not only saves the government electricity, it is not easy to break, it is very beautiful."
According to the person in charge of the Xi'an City Wall Management Committee, during the Spring Festival, they asked a lot of tourists who came to the city wall to play. Most people welcomed the use of low-carbon energy-saving LED lights. Next, the Xi'an City Wall Management Committee plans to gradually phase out the old lighting facilities in other sections of the city wall, and finally use LED lights as the entire lighting and decorative lights of the city wall. 
