Li Ruixi cleans up the "living room" for penguins at the Beluga Sanya Discovery Ocean World in Sanya, south China's Hainan Province, Oct. 2, 2021. Li, 21 years old, is a penguin keeper at the Beluga Sanya Discovery Ocean World. Growing up in the tropical resort city of Sanya, Li likes the sea and animals. After graduating from college, he applied for a job at the penguin hall of the ocean world. Li's job is to feed the penguins, clean their living environment and monitor their growth. At the same time, he will also participate in promotion activities to raise awareness among people about penguins and ecological protection. (Xinhua/Yang Guanyu)