👉 Umbras are a type of sculpture that is often made from hollow metal or wood, and they are typically found in public spaces such as parks, streets, and buildings. They are often used to represent the idea of darkness or absence, as well as to symbolize the concept of impermanence. In some cases, umbras may be used as a form of art, creating works that reflect a sense of introspection or contemplation. They can also serve as an alternative to traditional sculpture,