Visitors look at the "Wagner" Garden Carpet at the Metropolitan Museum of Art in New York, the United States, on July 10, 2018. The "Wagner" Garden Carpet, a late 17th-century Persian carpet masterpiece produced under the Safavid dynasty in southeastern Iran's Kirman, made its U.S. debut here on Tuesday. The carpet is presented along with an additional eight historical carpets also made in Iran. (Xinhua/Lin Bilin)