Photo taken on July 25, 2018 shows ginseng seedlings at Joe Heil's ginseng farm in Wausau, Wisconsin, the United States. Joe Heil has grown ginseng for more than 20 years. His Wisconsin-based farm with 50-acre ginseng was lucrative. Recently, however, the fear of loss looms large in his mind. As the U.S.-ignited trade frictions with China escalate, some customers who have expressed interest in purchasing Wisconsin ginseng have backed off. (Xinhua/Liu Jie)?