A large, symmetrical building with a flag, like a university, government building or hotel. 

University Or Large Building

Three Building Blocks

A square window view of a city with tall buildings.

A city landscape with many tall buildings of different shapes.

A greenhouse with a rounded roof and a bush peeking out from the back of the building.

Three tall buildings for a city landscape.

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.

The famous E = mc2 physics formula known as the theory of special relativity.