If there is too much humidity your wine can grow mold.
They knew that to keep wine tasting the best, it should be stored in a cool, dark and somewhat humid area. Most 750 ml bottles are about 11-12 inches high; the diameters generally are about 3-3.5 inches, so size is important. https://zenwriting.net/yarnpull6/cabernet-sauvignon-wine-among-the-list-of-most-popular-red-wines-in-turmoil