2022 Festival of Lights celebrated in Berlin, Germany

Photo taken on Oct. 7, 2022 shows the law faculty building of Humboldt University of Berlin illuminated during the 2022 Festival of Lights in Berlin, Germany. Berlin on Friday turned into a city of light art with the opening of the 2022 Festival of Lights, which will last until Oct. 16. (Photo by Stefan Zeitz/Xinhua)

Photo taken on Oct. 7, 2022 shows the Brandenburg Gate illuminated during the 2022 Festival of Lights in Berlin, Germany. Berlin on Friday turned into a city of light art with the opening of the 2022 Festival of Lights, which will last until Oct. 16. (Photo by Stefan Zeitz/Xinhua)

Photo taken on Oct. 7, 2022 shows the Hotel de Rome illuminated during the 2022 Festival of Lights in Berlin, Germany. Berlin on Friday turned into a city of light art with the opening of the 2022 Festival of Lights, which will last until Oct. 16. (Photo by Stefan Zeitz/Xinhua)

A visitor takes photos of the illuminated Brandenburg Gate during the 2022 Festival of Lights in Berlin, Germany, Oct. 7, 2022. Berlin on Friday turned into a city of light art with the opening of the 2022 Festival of Lights, which will last until Oct. 16. (Photo by Stefan Zeitz/Xinhua)

Photo taken on Oct. 7, 2022 shows the Brandenburg Gate illuminated during the 2022 Festival of Lights in Berlin, Germany. Berlin on Friday turned into a city of light art with the opening of the 2022 Festival of Lights, which will last until Oct. 16. (Photo by Stefan Zeitz/Xinhua)