One kind of firebrick is the English-faced brick, which is usually red, burgundy, or brown, randomly sticks together and makes a beautiful and special combination in the building façade. This style, along with the other styles, is so popular and it is used in the façade of buildings in big cities.
Observing England’s architecture, especially its ancient architecture. You are able to clearly see the colors. Including red, brown, and black in a foggy, they give you an old nostalgic feeling.