This photo taken on Oct. 15, 2023 shows a warthog and an impala at Nairobi National Park in Nairobi, Kenya. The Nairobi National Park, situated approximately 7 kilometers from the city center, is a habitat for varied wildlife population. Established in 1946, this park is home to nearly 100 species of mammals and over 500 species of birds (Xinhua/Li Yahui)