Search for `n_images` images on Google, matching `search_term` and `size` requirements,
    download them into `path`/`search_term` and verify them, using `max_workers` threads.

def download_google_images(path:PathOrStr, search_term:str, size:str='>400*300', n_images:int=10, format:str='jpg',
                            max_workers:int=defaults.cpus, timeout:int=4) -> FilePathList:
    """
    Search for `n_images` images on Google, matching `search_term` and `size` requirements,
    download them into `path`/`search_term` and verify them, using `max_workers` threads.
    """
    label_path = Path(path)/search_term
    search_url = _search_url(search_term, size=size, format=format)
    if n_images <= 100: img_tuples = _fetch_img_tuples(search_url, format=format, n_images=n_images)
    else:               img_tuples = _fetch_img_tuples_webdriver(search_url, format=format, n_images=n_images)
    downloaded_images = _download_images(label_path, img_tuples, max_workers=max_workers, timeout=timeout)
    if len(downloaded_images) == 0: raise RuntimeError(f"Couldn't download any images.")
    verify_images(label_path, max_workers=max_workers)
    return get_image_files(label_path)