Ghent Light Festival 2021 held in Belgium

Photo taken on Nov. 11, 2021 shows a light installation at the Ghent Light Festival 2021 in Ghent, Belgium. From Nov. 10 to 14, over 30 works by international light artists are offered to the public at the Ghent Light Festival 2021, which is held every three years. (Xinhua/Zhang Cheng)

Photo taken on Nov. 11, 2021 shows a light installation at the Ghent Light Festival 2021 in Ghent, Belgium. From Nov. 10 to 14, over 30 works by international light artists are offered to the public at the Ghent Light Festival 2021, which is held every three years. (Xinhua/Zhang Cheng)

People visit the Ghent Light Festival 2021 in Ghent, Belgium, Nov. 11, 2021. From Nov. 10 to 14, over 30 works by international light artists are offered to the public at the Ghent Light Festival 2021, which is held every three years. (Xinhua/Zhang Cheng)

People visit the Ghent Light Festival 2021 in Ghent, Belgium, Nov. 11, 2021. From Nov. 10 to 14, over 30 works by international light artists are offered to the public at the Ghent Light Festival 2021, which is held every three years. (Xinhua/Zhang Cheng)

People take a selfie at the Ghent Light Festival 2021 in Ghent, Belgium, Nov. 11, 2021. From Nov. 10 to 14, over 30 works by international light artists are offered to the public at the Ghent Light Festival 2021, which is held every three years. (Xinhua/Zhang Cheng)

Photo taken on Nov. 11, 2021 shows a light work at the Ghent Light Festival 2021 in Ghent, Belgium. From Nov. 10 to 14, over 30 works by international light artists are offered to the public at the Ghent Light Festival 2021, which is held every three years. (Xinhua/Zhang Cheng)