<http://schema.org/url>
<http://img.vietnamplus.vn/t460/Uploaded/mtfqq/2015_04_22/co2_emissions_main.jpg>
<http://www.vietnamplus.vn/lien-minh-trai-dat-2015-la-nam-khung-hoang-doi-voi-nhan-loai/319033.vnp>