In Hong Kong, many people reside in extremely small dwellings within old apartment buildings, often opting for fish or birds as pets. These birds are traded in small cages stacked like buildings, and the fish are sold in tightly knotted plastic bags hanging on a rack resembling fragile skyscrapers, with very limited space and oxygen, much like the human residents of Hong Kong themselves. It is important to tell this story to raise awareness about the living conditions of both people and animals in Hong Kong. By doing so, steps can potentially be taken to improve the living conditions for both humans and animals