Photo taken on Sept. 25, 2019 shows the twin panda cubs at Pairi Daiza zoo in Brugelette, Belgium. Giant panda Hao Hao gave birth to two cubs on Aug. 8, 2019. This was the 2nd and 3rd birth of giant panda at Pairi Daiza after the birth of Tian Bao, a male, on June 2, 2016, a historic first for Belgium. (Xinhua/Zhang Cheng)