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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/COiwutPOp7Y" title="YouTube video player" width="560"></iframe></p>
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Ramanathapuram Archaeological Research Foundation (RARE) has discovered 4,000-year-old iron-smelting furnace located in Tamil Nadu&rsquo;s Virudhunagar district. RARE&rsquo;s President, V. Rajaguru said they found iron ore, iron slag, black and red potsherds, all of which were scattered in an area of about one acre. Watch the video to know more</p>
