 በ 1974 ጀምሮ ጀምሮ በዓለም ዙሪያ በሰፊው በሰፊው የሚታወቀው ለህዝብ ተደራሽነት በዓለም አቀፍ መድረክ ሆኗል.
Since it began in 1974, it has grown to become a global platform for public outreach that is widely celebrated all over the world.