Years later, their sun bleached skeletons with arm stuck in the cement would serve it’s purpose, still.
Somehow your comment made me imagine a Gary Larson Far Side panel. Picture a couple of desiccated bodies with their arms still encased in cement, stranded on the roadside as cars are whizzing by. Larson could also - in true Far Side fashion - have one of the bodies asking itself if protesting in that way was such a brilliant idea.