A graphic designer prepares pictures on her computer on September 6, 2016 Istanbul. Istanbul, positioning itself to become a hub in the nascent industry, for the first time hosted a conservative fashion week in May at the historic Haydarpasa train station. Turkey is the leader in the Muslim clothing market, with an annual $39.3 billion in spending, followed by the United Arab Emirates with $22.5 billion and Indonesia with $18.8 billion, according to the State of Global Islamic Economy 2014-15 report. / AFP PHOTO / GURCAN OZTURKGURCAN OZTURK/AFP/Getty Images