class ZDFIE(ZDFBaseIE):
_VALID_URL = r'https?://www\.zdf\.de/(?:[^/]+/)*(?P<id>[^/?]+)\.html'
_QUALITIES = ('auto', 'low', 'med', 'high', 'veryhigh')
+ _GEO_COUNTRIES = ['DE']
_TESTS = [{
'url': 'https://www.zdf.de/dokumentation/terra-x/die-magie-der-farben-von-koenigspurpur-und-jeansblau-100.html',