This is a picture of a double decker bus. it has eight windows in total and you are seeing it from it's side. you can see that is can hold many people
This Tour Bus icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.