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This is 99% invisible I'm Roman Mars

The five basic principles of flag design

according to the North American Vexilological Association,

Vexilological.

Vexilology is the study of flags.

That's the extra law that makes it sound weird.

Number one, keep it simple.

The flags should be so simple that a child can draw it from memory.

Before I moved to Chicago in 2005, I didn't even know cities had their own flags.

Most larger cities have flags. Well, I didn't know that. That's Ted Kay, by the way.

Hello. Flag expert. Totally awesome guy.

I'm the editor of a scholarly journal on flags called Raven, a

journal of vexillology. And that first city flag I discovered in Chicago is a beaut,

a white field, two light blue horizontal stripes and four six pointed red

stars across the middle. Number two, the blue stripes represent the water, the

lake and the rivers. Use meaningful symbolism.

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