<http://schema.org/headline>
"Khai m\u1EA1c Festival v\u0103n h\u00F3a t\u01A1 l\u1EE5a Vi\u1EC7t Nam-ch\u00E2u \u00C1 n\u0103m 2016 "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/khai-mac-festival-van-hoa-to-lua-viet-namchau-a-nam-2016/378418.vnp>