To know that this flame will spread this way across the door and up across the ceiling.

NEWYORKER: Trial by Fire

Mr Rogge said that like the messengers in ancient times who shared news of the Olympic truce - the laying down of arms for the Games - "the torchbearers who carry this flame to London will spread the message of sport's capacity to promote peace and to make our world a better place".

BBC: London 2012: Olympic Games flame lit in Greece

Curtains need to be covered in flame retardant to prevent fire spread, for example, and certain other materials have chemicals added to them in order to make them more flexible, more rigid, or more rugged.

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