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</html><thumbnail_url>https://leonardodavinci.it/wp-content/uploads/2020/07/news_home_5f0ebcfebaf6a-t.webp</thumbnail_url><thumbnail_width>1076</thumbnail_width><thumbnail_height>498</thumbnail_height><description>Nature does not make wine. Man and his ability to cultivate the vine and vinify the grapes are needed. The substances that compose wine are many and of varied origin: some are present naturally in the must, others form during fermentation, some are added during the winemaking phase. For example, sulphites. Many wonder what they are and what the role of sulphites is in wine.</description></oembed>
