MANCHESTER, UNITED KINGDOM - SEPTEMBER 23: Britain's Prince William, Duke of Cambridge and Prince Harry walk with presenter Nick Knowles as they visit a building site to renovate homes for ex-service personnel as part of the BBC television DIY SOS series on September 23, 2015 in Manchester, England. Prince William and Prince Harry visited Manchester on Wednesday where they helped to renovate homes for ex-service personnel as part of the BBC television DIY SOS series. (Photo by Phil Noble - WPA Pool/Getty Images)