Shanxi is a very important wine-growing region in eastern China. The region is known for its wines since ancient times, and it still produces some of the best expressions of the Cabernet Sauvignon wines in the country. The region is not to be confused with the neighbouring province with a very similar name. The climate of Shanxi is continental, but it is still affected by the East Asian Monsoon which brings humid air from both oceans the Pacific and the Indian to the warmer land, causing rain. The big part of the yearly rainfall is occurring the in summer, and the high levels of humidity can promote fungal vine diseases such as mildew. Most of the vineyards are located on a high altitude and are receiving more sunlight and less rainfall. They are planted on the deep sandy loam soils, where excellent drainage allows the vines to grow deep root systems, strengthening the health of the vine. Other notable grape varieties that are planted in the region are Merlot, Cabernet Franc and Chardonnay. Many wineries from Shanxi are becoming internationally renowned, and some of the most recognised wine consultants from Bordeaux are working closely with them.