10月6日，在德國柏林，游客站在洪堡大學內的裝置藝術品前。2023年柏林燈光節于10月6日至15日舉行。燈光節期間，柏林市內多個地標和建筑物將被燈光和裝置藝術品裝飾。[新華社記者 任鵬飛 攝]

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)