BusinessBlack Gold from ChinaTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusinessMathias Bölinger04/09/2019April 9, 2019Twenty years ago, trade with wild caviar was banned. Today a big part of caviar sold comes from one farm in eastern China. Kaluga Queen has some of the world’s top end restaurants among its clientshttps://p.dw.com/p/3GWrEAdvertisement