One of the newly born twin panda bear cubs, named Meng Hao and Meng Tian or Leni and Lotti, looks out of the enclosure, during the official presentation of their names, at the Zoo in Berlin, Germany, Friday, Dec. 6, 2024. (AP Photo/Markus Schreiber)

One of the newly born twin panda bear cubs, named Meng Hao and Meng Tian or Leni and Lotti, looks out of the enclosure, during the official presentation of their names, at the Zoo in Berlin, Germany, Friday, Dec. 6, 2024. (AP Photo/Markus Schreiber)

Newly born twin panda bear cubs, named Meng Hao and Meng Tian or Leni and Lotti, look out of the enclosure, during the official presentation of their names, at the Zoo in Berlin, Germany, Friday, Dec. 6, 2024. (AP Photo/Markus Schreiber)

One of the newly born twin panda bear cubs, named Meng Hao and Meng Tian or Leni and Lotti, looks out of the enclosure, during the official presentation of their names, at the Zoo in Berlin, Germany, Friday, Dec. 6, 2024. (AP Photo/Markus Schreiber)

One of the newly born twin panda bear cubs, named Meng Hao and Meng Tian or Leni and Lotti, looks out of the enclosure, during the official presentation of their names, at the Zoo in Berlin, Germany, Friday, Dec. 6, 2024. (AP Photo/Markus Schreiber)

Newly born twin panda bear cubs, named Meng Hao and Meng Tian or Leni and Lotti, look out of the enclosure, during the official presentation of their names, at the Zoo in Berlin, Germany, Friday, Dec. 6, 2024. (AP Photo/Markus Schreiber)