Press again on the center of the string. What happens? Notice how the anchorages (stacks of books) help to stabilize the bridge. People have walked across the Anlan Bridge for 1,700 years.

IT’S CALLED THE STRING EAST RINDGE BRIDGE, LOCATED HERE IN EXETER, NEW HAMPSHIRE. IT CROSSES THE SWAMPSCOTT RIVER, CONNECTS THE EXETER PUBLIC LIBRARY WITH THE TOWN SQUARE. WE ARE IN THE EXETER ...