<http://schema.org/headline>
"Gi\u1EDBi thi\u1EC7u tour chinh ph\u1EE5c hang T\u1ED1i - m\u1ED9t S\u01A1n \u0110o\u00F2ng thu nh\u1ECF"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/gioi-thieu-tour-chinh-phuc-hang-toi-mot-son-doong-thu-nho/337750.vnp>