In a spectacular underwater marine ballet, millions of sardines run in hundreds of shoals, swirling, dancing, and transforming in shape in the annual Sardine Runan unexplained phenomenon thats been dubbed the greatest shoal on earthfor which they make their way through the cold Atlantic waters off the Cape towards the sub-tropical waters of the Indian Ocean, with vast numbers of predators in hot pursuit.Photo Bigpicturesphoto.com From the last week of May through early July every year, South Afr