Port wine left ("pass the port to port") and for the bottle or decanter not to touch the table on its way around, though some cultures reject this tradition. If a diner fails to pass the port, others at the table may ask "Do you know the Bishop of Norwich?" The Port and Douro Wines Institute is an official body belonging to the Ministry of Agriculture of Portugal and is a key institution in promoting the industry and knowledge of making port wine. It was previously known as the Instituto do Vinho do Porto. Producers of port wine are often called "shippers".
Luxembourg wine they operate a sparkling wine plant in Wormeldange, which produces wines under the label Poll-Fabaire. Luxembourg mainly produces dry white wines and sparkling wine under the designation "Crémant". There are also some rosé and red wines made, as well as some sweet wines. In contrast to the downstream German wine region "Mosel", Luxembourg has very little tradition of producing semi-sweet or sweet wines, despite a significant similarity in terms of grape varieties. Rather, the wines of Luxembourg have been produced as a kind of cold climate version of traditional, dry Alsace wines. Common grape varieties in Luxembourg, and the vineyard