def draw_bboxes(img, bboxes, **kwarg):
    """draw bboxes on copied img

    Parameters
    ----------
    img : PIL.Image
        image which you want to draw box on
    bboxes : iterable
        [[x_min, y_min, x_max, y_max], ...]
        normalized coordinate. [0, 1]

    Returns
    -------
    c_img: PIL.Image
        drawn copied image
    """
    from PIL import ImageDraw
    img = img.copy()
    w, h = img.size
    draw = ImageDraw.Draw(img)
    for bbox in bboxes:
        draw.rectangle([bbox[0] * w, bbox[1] * h, bbox[2] * w, bbox[3] * h],
            **kwarg)
    del draw
    return img
