U.S.-born giant panda Bei Bei departs for new life in China(1/5)

U.S.-born male giant panda Bei Bei is seen before his departure at the Smithsonian's National Zoo in Washington D.C., the United States, on Nov. 19, 2019. The 4-year-old giant panda Bei Bei, who was born and raised at the Smithsonian's National Zoo, departed for China on Tuesday. (Photo: China News Service/ Chen Mengtong)

U.S.-born male giant panda Bei Bei is seen before his departure at the Smithsonian's National Zoo in Washington D.C., the United States, on Nov. 19, 2019. The 4-year-old giant panda Bei Bei, who was born and raised at the Smithsonian's National Zoo, departed for China on Tuesday. (Photo: China News Service/ Chen Mengtong)

U.S.-born male giant panda Bei Bei is seen before his departure at the Smithsonian's National Zoo in Washington D.C., the United States, on Nov. 19, 2019. The 4-year-old giant panda Bei Bei, who was born and raised at the Smithsonian's National Zoo, departed for China on Tuesday. (Photo: China News Service/ Chen Mengtong)

A steel and plexiglass travel crate carrying Bei Bei is seen at the Smithsonian's National Zoo in Washington D.C., the United States, on Nov. 19, 2019. The 4-year-old giant panda Bei Bei, who was born and raised at the Smithsonian's National Zoo, departed for China on Tuesday.(Photo: China News Service/ Chen Mengtong)

U.S.-born male giant panda Bei Bei is seen before his departure at the Smithsonian's National Zoo in Washington D.C., the United States, on Nov. 19, 2019. The 4-year-old giant panda Bei Bei, who was born and raised at the Smithsonian's National Zoo, departed for China on Tuesday. (Photo: China News Service/ Chen Mengtong)