Boeing 777 viewed from another B777 at cruising level over the Atlantic.

Flying close to the East coast of the United States, we could see this Air France Boeing 777 that was flying close to us only a few hundred meters away and below our altitude. I was on flight AA57 from London Heathrow to Miami also on a Boeing 777. AA 57 London Heathrow(LHR/EGLL) - Miami(MIA). Boeing 777