def decode_gcs_url(url):
    """Decode GCS URL.

    Args:
        url (str): GCS URL.

    Returns:
        tuple: (bucket_name, file_path)
    """
    split_url = url.split('/')
    bucket_name = split_url[2]
    file_path = '/'.join(split_url[3:])
    return (bucket_name, file_path)