Yanks at Expo - Montreal's World's Fair has just come through its first big invasion by American tourists on Memorial Day weekend who have often been baffled to find French spoken. Typical reactions were those of Mr. and Mrs. Robert Humphreys of Olean; N.Y.; with Expo security guard.<br /> <br /> 1967<br /> <br /> PHOTO :  Dick Darrell - Toronto Star Archives - AQP
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