Toursits enjoy time with two artificially bred Humboldt penguins from the Nanjing Underwater World in Nanjing, East China's Jiangsu Province, as the animals take a walk around a mountain park in the city on November 27, 2023. Artificially bred in 2019, the two penguins often go out with their keepers to take a walk and enjoy the flowers when the temperature is suitable. Photo: VCG