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People visit a media preview of Japanese artist Yayoi Kusama's site-specific installation of Narcissus Garden at the Gateway National Recreation Area at Fort Tilden in New York, the United States, June 29, 2018. Yayoi Kusama's Narcissus Garden, which is made of 1,500 mirrored stainless steel spheres, will open to public from July 1 at a former U.S. army base in New York. (Xinhua/Wang Ying)