Graffiti on the web is becoming a big problem for people around the world.

The graffiti is often posted by people who don’t realize it is illegal to do so.

This is especially true for people who are traveling.

We asked experts to help with our search for ways to remove the graffiti and also how to remove any other graffiti.

You can learn more at: http://abcnews.go.com/shows/graffiti-a-disease-of-a…