19 JANUARY 1934, Page 6

The introduction of political propaganda into ordinary cinemas is a

dangerous game. Too many people can play at it. But the Polish Corridor propaganda—under the title Ombres sur Europe—at the Cinema House theatre is so astonishingly well done as to be worth seeing as a tour de force. The basis is an aeroplane trip through the so-called Corridor, with frequent stops to see places of note, interviews with local mayors and others who explain how ineradicably Polish the whole area is, pictures of the trains running without the smallest difficulty or hindrance across.the Corridor from Germany to Germany, of Polish regimenti feted by the inhabitants, of the festival of homage to the sea on the Gdynia- Danzig coast, and so on. The thing is extraordinarily telling without ever being blatant—French screen•psycho- logy at its best. The Poles could, never have put their own case half as well,