A sales person works at his booth at the JA New York Spring Show in New York, the United States, March 12, 2018. The JA New York Spring Show which lasts from March 11 to March 13 attracts about 400 exhibitors and retailers around the world this year. The JA New York jewelry show is a leading?international jewelry event and is held three times a year in New York City. (Xinhua/Wang Ying)