A Humboldt penguin stands under hydrangea flowers in Nanjing, east China's Jiangsu Province, April 8, 2022. Two artificially bred Humboldt penguins from Nanjing Underwater World visited the Ming Imperial Palace ruins to enjoy the sunshine on a sunny day in Nanjing. (Photo: China News Service/Yang Bo)
Two Humboldt penguins are out for a walk at the Ming Imperial Palace ruins to enjoy the sunshine in Nanjing, east China's Jiangsu Province, April 8, 2022. (Photo: China News Service/Yang Bo)
Two Humboldt penguins are out for a walk at the Ming Imperial Palace ruins to enjoy the sunshine in Nanjing, east China's Jiangsu Province, April 8, 2022. (Photo: China News Service/Yang Bo)
A Humboldt penguin is seen at the Ming Imperial Palace ruins in Nanjing, east China's Jiangsu Province, April 8, 2022. (Photo: China News Service/Yang Bo)