Two Kings and two Queens

From left to right: King George V, Queen Elizabeth of Belgium, Queen Mary and King Albert I of Belgium. They are standing on a gravel path or driveway. Directly behind them a lawn slopes towards a row of trees. Both women are dressed in white and wearing hats. Queen Mary's hat is adorned with flowers. During World War I royal families played an important ambassadorial role, forging and sustaining good relations between nations. [Original reads: 'ON THE BRITISH WESTERN FRONT IN FRANCE - Two King's and two Queens [sic].'] digital.nls.uk/74546724