San Diego's attempt at order brings crooked lines and smiles. Locals and visitors react to Mission Beach boardwalk's new, amusing markings.

They were meant to keep things straight — but the new yellow lines on the Mission Beach boardwalk have people asking, "What happened here?" ...

Some are several kilometres in length and form designs of many different geometrical figures - triangles, spirals, rectangles, wavy lines, etc. Others radiate from a central promontory or encircle it.