History.

History is many different periods. Countries have their own history. Cities and towns have their own history, too. 

Sometimes it helps to understand many things.

During centuries and thousands of years, buildings, art, and events have been created.

Source of image:

https://www.shutterstock.com/image-vector/history-education-school-subject-class-icons-2448200191

Modern architecture.

Modern architecture or modernist architecture was a style between Art Deco and postmodern architectural movements.

Modern was popular in XX century.

In many different cities and towns there are buildings in this style.

Source of image:

https://www.shutterstock.com/image-vector/3d-illustration-architecture-building-construction-perspective-2048684678