CARDIFF, WALES - AUGUST 17: Benedict Cumberbatch holds a sign which reads 'Go photograph Egypt and show the world something important' prior to filming on the set of BBC production 'Sherlock' in Cardiff, Wales. (Photo by Matthew Horwood)
CARDIFF, WALES - AUGUST 17: Benedict Cumberbatch holds a sign which reads 'Go photograph Egypt and show the world something important' prior to filming on the set of BBC production 'Sherlock' in Cardiff, Wales. (Photo by Matthew Horwood)
