Zanzibar cathedral restoration shows past can unite rather than divide us

Its a tough time for heritage. On 11 and 12 December Isil recaptured the ancient city of Palmyra in Syria, taking advantage of Syrian and Russian concentration on Aleppo, another ancient, and now ruined, city. Eighteen months ago a plume of smoke rising above the Temple of Bel in Palmyra marked the destruction of 2,000 years of history and reminded us of the senseless intolerance of some religious fanaticism.
But, search harder and there are positive, uplifting stories relating to heritage site