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San Diego Zoo’s Giant Pandas

The last public day to see pandas Bai Yun, 27, and her son, Xiao Liwu, 6, at the San Diego Zoo will be April 29th, before they head back to China.

San Diego Zoo Pandas

Panda Xiao Liwu, 6, eats bamboo in his enclosure at the San Diego Zoo on April 16, 2019. The last public day to see Xiao Liwu and his mom Bai Yun is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Bai Yun, 27, relaxes in the water in her enclosure at the San Diego Zoo on April 16, 2019. The last public day to see the pandas is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Bai Yun, 27, relaxes in the water in her enclosure at the San Diego Zoo on April 16, 2019. The last public day to see the pandas is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Bai Yun, 27, relaxes in the water in her enclosure at the San Diego Zoo on April 16, 2019. The last public day to see the pandas is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Bai Yun, 27, walks through her enclosure at the San Diego Zoo on April 16, 2019. The last public day to see the pandas is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Xiao Liwu, 6, eats bamboo in his enclosure at the San Diego Zoo on April 16, 2019. The last public day to see Xiao Liwu and his mom Bai Yun is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Bai Yun, 27, walks through her enclosure at the San Diego Zoo on April 16, 2019. The last public day to see the pandas is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Xiao Liwu, 6, eats bamboo in his enclosure at the San Diego Zoo on April 16, 2019. The last public day to see Xiao Liwu and his mom Bai Yun is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Xiao Liwu, 6, eats bamboo in his enclosure at the San Diego Zoo on April 16, 2019. The last public day to see Xiao Liwu and his mom Bai Yun is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Xiao Liwu, 6, eats bamboo in his enclosure at the San Diego Zoo on April 16, 2019. The last public day to see Xiao Liwu and his mom Bai Yun is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Bai Yun, 27, climbs in her enclosure at the San Diego Zoo on April 16, 2019. The last public day to see the pandas is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Bai Yun, 27, walks through her enclosure at the San Diego Zoo on April 16, 2019. The last public day to see the pandas is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))

San Diego Zoo Pandas

Panda Xiao Liwu, 6, eats bamboo in his enclosure at the San Diego Zoo on April 16, 2019. The last public day to see Xiao Liwu and his mom Bai Yun is April 29th, before they head back to China. ((K.C. Alfred / The San Diego Union-Tribune))