lightblueline

In Santa Barbara, you can walk on seaside sidewalk and look up to see ribbons marking the 7 meter elevation above your head. These ribbons and the associated information being handed out this week are the work of a group of students at Santa Barbara High School.
Their website describes their work:

Here is another potential line design, this one by Tom and Charlene Huston.

Check out the photos on the lightblueline Flickr page:

Alternative Line Design