`Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.' - Margaret Mead Britain was built on protest. From Magna Carta to the suffragettes, the Peasants' Revolt to the Iraq War; British people have never been afraid to take to the street. Protest: Britain on the March takes a look at the lengths that ordinary people will go to make their voices heard, all through the lens of Mirrorpix's incredible photo archive.