article_snippet: ISIS currently controls a swath of land slightly larger than the UK, from Aleppo to central Iraq.
article_snippet: They also bulldozed 2,000-year-old Hatra - another UNESCO World Heritage site.
article_snippet: Nineveh, in northern Iraq, was once the largest city in the world with a population of as many as 150,000 people in 700BC - the largest city in the world with a population of as many as 150,000 people in 700BC lies close to Mosul, the largest city under ISIS control .
highlights_snippet: Also attacked ancient city of Nimrud and 2000-year-old fortress city Hatra .