def _reposition_bounding_box(bbox, tile_location):
    """Relocates bbox to the relative location to the original image.
    Args:
      bbox (int, int, int, int): bounding box relative to tile_location as xmin,
        ymin, xmax, ymax.
      tile_location (int, int, int, int): tile_location in the original image as
        xmin, ymin, xmax, ymax.
    Returns:
      A list of points representing the location of the bounding box relative to
      the original image as xmin, ymin, xmax, ymax.
    """
    bbox[0] = bbox[0] + tile_location[0]
    bbox[1] = bbox[1] + tile_location[1]
    bbox[2] = bbox[2] + tile_location[0]
    bbox[3] = bbox[3] + tile_location[1]
    return bbox