Giant pandas seen at Pairi Daiza zoo in Brugelette, Belgium

Photo taken on Jan. 26, 2022 shows giant panda Hao Hao (C), Bao Di (R) and Bao Mei at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Hao Hao at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Hao Hao (R), Bao Di (C) and Bao Mei eating at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Bao Di eating at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Bao Mei at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Hao Hao (L) and Bao Mei at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Hao Hao (R), Bao Di (C) and Bao Mei at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Bao Di (R) and Bao Mei at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Hao Hao at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Bao Di (L) and Bao Mei at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)

Photo taken on Jan. 26, 2022 shows giant panda Hao Hao (rear), Bao Di (front, R) and Bao Mei at the Pairi Daiza zoo in Brugelette, Belgium. (Xinhua/Zhang Cheng)