Bulgaria Land of Tourism. Hardcover book published by Committe for Tourism at the Council of Ministers of the People’s Republic of Bulgaria (no date), colour photographs throughout, text is in English.
Communist Propaganda of the 20th Century
propaganda - 'noun', information, especially of a biased or misleading nature, used to promote a political cause or point of view (Compact Oxford Dictionary).
(Detail fromAutumn woods of Huairou)