They were sleepy tree-lined boulevards where people lived and worked, time-worn markets where they came to trade and exquisitely detailed mosques where, throughout the ages, they prayed.

All now stand in ruins, ravaged by a war that is not only killing generations of Syrians but also eradicating all around them, including sites that have stood since the dawn of civilisation. Across Syria, where a seemingly unstoppable war is about to enter a third year, a heritage built over 5,000 years or more is being steadily buried under rubble....

Syria's war has claimed more than 130,000 lives. At least two million of its citizens have fled into neighbouring states and more than two million others have been displaced within its borders. Industry and economy has long ground to a halt. Hope too has been on a relentless slide. Syria has six Unesco sites, representing at least 2,000 years of history. All have been damaged....