In 2007 Mr Templeton's friends screened a documentary he made to mark a year since he disappeared.

BBC: Alan Templeton

Mr Templeton, who was known to have suffered from depression, had returned from Paris a month before he went missing.

BBC: Alan Templeton

Writing on a Facebook page set up to help track down Mr Templeton, his family issued a note of thanks for all the support it had received over the past five and a half years.

BBC: Alan Templeton