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<iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/JQiC0YQf97A" title="YouTube video player" width="560"></iframe></p>
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Indian-American girl Kiara Kaur has become the youngest keynote speaker to address a World Expo. World Book of Records, London has acknowledged her achievement. The six-year-old, class 1 student gave a speech titled &ldquo;Small Changes, Big Difference&rdquo; at the recent World Expo 22 in Dubai. Watch the video to know more.</p>
