def draw_bbox(img, bbox, **kwarg):
    """draw bbox on copied img

    Parameters
    ----------
    img : PIL.Image
        image which you want to draw box on
    bbox : 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)
    draw.rectangle([bbox[0] * w, bbox[1] * h, bbox[2] * w, bbox[3] * h], **
        kwarg)
    del draw
    return img
