Three people in various stages of swimming strokes race along colorful lane markers .
It is highly unlikely that a swim race is underway and the lane markers represent their individual country of origin .
It is highly unlikely that a swim race is underway and the lane markers represent their individual country of origin .
It is certain that a swim race is underway and the lane markers represent their individual country of origin .
A swim race is underway and the lane markers represent their individual country of origin .