For many photographers it is one or the other, as to shoot in both colour and black and white at the same time is not something that many can achieve.

BBC: Rene Burri in colour

It is the colour that stands out: a milky white marble with gold atop the domes and a vast marble courtyard that blinds you in the midday sun.

BBC: UAE��s grandest mosque

"In some parts of the country the colour of failure is not black and brown... it's white - especially in some rural areas, " he told the BBC.

BBC: Trevor Phillips