Giant Kite Festival held in Berlin, Germany

Kites fly in the sky during the Giant Kite Festival in Berlin, Germany, Sept. 16, 2023. (Xinhua/Ren Pengfei)

Kites fly in the sky during the Giant Kite Festival in Berlin, Germany, Sept. 16, 2023. (Xinhua/Ren Pengfei)

A man takes photos of a flying kite during the Giant Kite Festival in Berlin, Germany, Sept. 16, 2023. (Xinhua/Ren Pengfei)

People fly kites during the Giant Kite Festival in Berlin, Germany, Sept. 16, 2023. (Xinhua/Ren Pengfei)

People fly kites during the Giant Kite Festival in Berlin, Germany, Sept. 16, 2023. (Xinhua/Ren Pengfei)

Kites fly in the sky during the Giant Kite Festival in Berlin, Germany, Sept. 16, 2023. (Xinhua/Ren Pengfei)

People fly kites during the Giant Kite Festival in Berlin, Germany, Sept. 16, 2023. (Xinhua/Ren Pengfei)

People watch the flying kites during the Giant Kite Festival in Berlin, Germany, Sept. 16, 2023. (Xinhua/Ren Pengfei)