- Source: CNN " data-fave-thumbnails="{"big": { "uri": "https://media.cnn.com/api/v1/images/stellar/prod/160614120939-london-underground-generic.jpg?q=x_199,y_306,h_1445,w_2568,c_crop/h_540,w_960" }, "small": { "uri": "https://media.cnn.com/api/v1/images/stellar/prod/160614120939-london-underground-generic.jpg?q=x_199,y_306,h_1445,w_2568,c_crop/h_540,w_960" } }" data-vr-video="false" data-show-htm