def get_68_facial_landmarks(predictor, img, bb):
    """
    Returns a list of 68 facial landmarks

    Args:
        predictor: dlibs.shape_predict(_FILE_)
        img: input image
        bb: bounding box containing the face
    """
    points = predictor(img, bb)
    return list(map(lambda p: (p.x, p.y), points.parts()))