What does a century-old building mean?

It should refer to the standards of architectural design. All buildings, as long as they are designed by a design institute, will have a concept of design service life. Depending on the importance of the building, different design service lives are adopted. Generally, the building life is 50 years. A century-old building should refer to a building designed to last 100 years.

Architecture is the general term for buildings and structures. It is an artificial environment created by people in order to meet the needs of social life, using the material and technical means at their disposal, and applying certain scientific laws, Feng Shui concepts and aesthetic rules.