Various styles and designs of sex dolls are displayed at the WMDOLL factory in Zhongshan, Guangdong Province, China, July 11, 2018. The exports account for 80 percent of WMDOLL sales, and half of their overseas shipments go to the United States. Dolls with tanned skin colour are the most popular in overseas markets. REUTERS/Aly Song SEARCH "SONG DOLLS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.