Introduction to the historical exhibition area: The style of the historical exhibition area is simple and elegant, with calm tones. Walking into it, you feel as if you are cruising in the long history of exploring the ancient times - personally experiencing the vicissitudes and glory of the "Sancha River Estuary" in the past. In the birth, evolution, development and take-off of a city, we can deeply understand the concept and development process of urban and rural planning, and truly feel the long trajectory of Tianjin's urban evolution and development.