Winning their race to get the all-time biggest show on earth ready for international business by the April 28 opening day is a nearly 10,000-strong army of workmen, planners and officials. They are busy building Expo 67 - Canada's (and the new worlds) first officially-recognized world's fair which covers one and a half square miles of mostly man-made islands in the middle of the St. Lawrence River opposite the skyscrapers of modern Montreal. Today, the site is a complex scene of rapid growth as over 70 pavilions by the nations of the world rise up in imaginative shape and form. With the first cool winds of the ending year heralding the coming snows of winter the pace of work quickens to gain impetus for the final phases of construction that will see the spring thaw unveil a panorama of majestic beauty and future-foretelling creativity. Expecting at least 35,000,000 clicks of the entrance turnstiles, Expo 67, with its intriguing, all-encompassing Man and His World theme challenging the artistic abilities of the participating nations, promises to leave its visitors with powerful impressions of the complex society that man has built up through past ages to the amazing world of today. For Canada, in its centennial year, 1967 will be a time to welcome its neighbors from around the globe, invite them -- through Expo 67 -- to share in the national celebration.