Scotland Yard's police officers with sniffer dogs arrive at the area of scrubland near the holiday apartment where the British girl Madeleine McCann vanished seven years ago, in Praia da Luz on June 11, 2014. The joint Portuguese-British operation started on June 2, and took in three different patches of land, according to Portuguese media reports.  AFP PHOTO / JOSE MANUEL RIBEIRO        (Photo credit should read JOSE MANUEL RIBEIRO/AFP via Getty Images)