iron curtain, yenan, great proletarian cultural revolution, samizdat, sinkiang, medievalism, dark continent, vietminh, tientsin, han dynasty, untrodden, stalinization, deng xiaoping, communism, abysses, megaliths, vladimir ilyich lenin, aym, theravada buddhism, ratlines, pamirs, cultural revolution, dalai lama, sung dynasty, russification, phantasms, nuptse, nouveau roman, maoism, grindstones, communist, manchus, dmz, cordon sanitaire, orientalism, mistily, manchu dynasty, yarkand, stalactites, forbidden city, yuan dynasty, myna bird, karakoram range, entrenchments, demythologize, laozi, craton, pathless, byzantine empire, tenebrous, gun emplacement, malay archipelago, hindenburg line, hermitic, kudzu vine, unseeing, himalayas, soviet union, plantocracy, barbarisms, gondwanaland, imperialism, nibelungs, bodhidharma, civilization, netherland, intellectuals, sepoy mutiny, palings, palaeolithic, bactria, emblematically, massifs, dostoevskian, revolutionaries, noiselessly, gorbachev, seracs, mao tsetung, choson, noblewomen, kim philby, manchukuo, spies, mao zedong, sovietism, interpenetrate, besiegers, lamasery, monks, asperities, thunderhead, lydians, tartary, codebreakers, le carre, bayeux tapestry, zhuangzi, autarkic, tidal basin, trappists, karakoram

ideological barrier