Damage to mosques, a monastery, churches and historic tombs caused by fighting near the Syrian city of Aleppo, and the destruction of monuments by the so-called Islamic State in the ancient cities of Palmyra and Nimrud, are being documented in an online archival system and made available to conservation experts worldwide ... The system is being used...to monitor historic sites in Syria and northern Iraq, providing weekly updates and an online inventory of thousands of heritage sites.