Scotland Yard detectives work on an area in Praia da Luz, near Lagos, June 2, 2014. Police investigating the 2007 disappearance of British girl Madeleine McCann on Monday have sealed off an area of scrubland in the Portuguese resort where the three-year-old went missing. McCann disappeared from her family's holiday apartment in Praia da Luz in May 2007 while her parents dined with friends at a nearby restaurant, prompting a global search and headlines worldwide. REUTERS/Carlos Vidigal (PORTUGAL - Tags: SOCIETY CRIME LAW)