Copper is particularly known for its shiny brown-red surfaces. When copper reacts with oxygen, a special patina gradually develops.

Black is not a color per se, but nevertheless or precisely for this reason it is an eternally sought-after tone. Black absorbs the entire visible color spectrum and everything black thus becomes a symbol of the hidden, a mystery.

Fire generally has the property of destroying wood. However, when wood is brought together with fire, the exact opposite is the case

Concrete is a natural product that has been used in Roman architecture since ancient times and was valued for its durability.