article_snippet.sent: The group were allowed inside MI5’s London HQ .
article_snippet.sent: Codenamed Project Petra, the initiative was the first time cameras were allowed to film inside the MI5 building.
article_snippet.sent: ‘When I first entered MI5 it was way cooler than I thought it would be
article_snippet.sent: Cameras were allowed to film inside MI5 as the boy's dreams came true when they went on a guided tour .
article_snippet.sent: Jamie, from Glasgow, added that it ‘felt really cool because we were making history’ and Reuben, from North Yorkshire, said: ‘Being there for the very first time cameras have been allowed inside MI5 was an awesome experience and I loved doing MI5.
highlights_snippet.sent: TV cameras allowed into London headquarters just for children's show .
  