John Zhu: How This Professional Water Sommelier Makes A Living By Tasting Water

		John Zhu: How This Professional Water Sommelier Makes A Living By Tasting Water John Zhu is just one of a handful of water sommeliers in China, who make a profession out of tasting water and offering their expertise to hotels and restaurants across Asia. A sommelier generally deals with wine, but evidently, the occupation is not solely limited to t... Read More