2023 Festival of Lights opens in Berlin

This photo taken on Oct. 6, 2023 shows the law faculty building of Humboldt University of Berlin illuminated during the 2023 Festival of Lights in Berlin, Germany. Berlin on Friday turned into a city of light art with the opening of the 2023 Festival of Lights, which will last until Oct. 15. (Xinhua/Ren Pengfei)

This photo taken on Oct. 6, 2023 shows the illuminated Brandenburg Gate during the 2023 Festival of Lights in Berlin, Germany. Berlin on Friday turned into a city of light art with the opening of the 2023 Festival of Lights, which will last until Oct. 15. (Xinhua/Ren Pengfei)

A visitor takes photos of the illuminated Brandenburg Gate during the 2023 Festival of Lights in Berlin, Germany, Oct. 6, 2023. Berlin on Friday turned into a city of light art with the opening of the 2023 Festival of Lights, which will last until Oct. 15. (Xinhua/Ren Pengfei)

Visitors stand in front of the illuminated Berlin Cathedral during the 2023 Festival of Lights in Berlin, Germany, Oct. 6, 2023. Berlin on Friday turned into a city of light art with the opening of the 2023 Festival of Lights, which will last until Oct. 15. (Xinhua/Ren Pengfei)

A visitor takes photos of the illuminated Berlin Cathedral during the 2023 Festival of Lights in Berlin, Germany, Oct. 6, 2023. Berlin on Friday turned into a city of light art with the opening of the 2023 Festival of Lights, which will last until Oct. 15. (Xinhua/Ren Pengfei)

This photo taken on Oct. 6, 2023 shows the Berlin Cathedral illuminated during the 2023 Festival of Lights in Berlin, Germany. Berlin on Friday turned into a city of light art with the opening of the 2023 Festival of Lights, which will last until Oct. 15. (Xinhua/Ren Pengfei)

Visitors stand in front of an artwork at Humboldt University of Berlin during the 2023 Festival of Lights in Berlin, Germany, Oct. 6, 2023. Berlin on Friday turned into a city of light art with the opening of the 2023 Festival of Lights, which will last until Oct. 15. (Xinhua/Ren Pengfei)