dryfj.com / drycyclist.com (kevin cook)

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01294-rock-art.jpg I park the 10-ton bike at the edge of the lava flow and go for a walk up the hillThumbnailsAntique graffiti?I park the 10-ton bike at the edge of the lava flow and go for a walk up the hillThumbnailsAntique graffiti?I park the 10-ton bike at the edge of the lava flow and go for a walk up the hillThumbnailsAntique graffiti?I park the 10-ton bike at the edge of the lava flow and go for a walk up the hillThumbnailsAntique graffiti?I park the 10-ton bike at the edge of the lava flow and go for a walk up the hillThumbnailsAntique graffiti?

Ideas abound on what these designs might mean, but they are old enough that nobody really knows.