How do geographical factors, such as climate and terroir, influence the characteristics of sweet wines made in regions like Tokaj (for Tokaji Aszú) or the Loire Valley (for sweet Chenin Blanc wines)?
What are the legal requirements and traditional methods used in the production of Port wine in the Douro Valley, and how do they affect its quality and classification?
2. **How are sweet wines, such as Sauternes or Tokaji, produced differently compared to dry wines, and what role does the fermentation process play in developing their sweetness?
3. **What are the typical regions known for producing high-quality sweet wines, including Port, and how does the terroir in these regions contribute to the wine's distinct characteristics?
4. **Can you explain the aging process of Port wine, including the differences between Ruby, Tawny, and Vintage Ports, and how does aging impact their taste and aroma?