Essen light festival kicks off in Germany
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Photo taken on Oct. 2, 2020 shows a light installation during Essen light festival in Essen, Germany. The light festival in Essen kicked off on Friday and will last till Oct. 11, 2020. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 2, 2020 shows a light installation during Essen light festival in Essen, Germany. The light festival in Essen kicked off on Friday and will last till Oct. 11, 2020. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 2, 2020 shows an illuminated building during Essen light festival in Essen, Germany. The light festival in Essen kicked off on Friday and will last till Oct. 11, 2020. (Photo by Tang Ying/Xinhua)

People view a light installation during Essen light festival in Essen, Germany, on Oct. 2, 2020. The light festival in Essen kicked off on Friday and will last till Oct. 11, 2020. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 2, 2020 shows an illuminated building during Essen light festival in Essen, Germany. The light festival in Essen kicked off on Friday and will last till Oct. 11, 2020. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 2, 2020 shows a light installation during Essen light festival in Essen, Germany. The light festival in Essen kicked off on Friday and will last till Oct. 11, 2020. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 2, 2020 shows an illuminated vehicle during Essen light festival in Essen, Germany. The light festival in Essen kicked off on Friday and will last till Oct. 11, 2020. (Photo by Tang Ying/Xinhua)