Mariam Bazr Bashi, 29, from Damascus waits to board a bus after registering for a 72 hour travel permit in a migrant and refugee centre in Presevo, Serbia, on October 4 , 2015. Mariam had been travelling for 7 days from Turkey via Macedonia with her two sons Ali, 7 and Abbas, 4. Ali suffers from muscular dystrophy and can't walk. Mariam carried him as far as Serbia before she was given a wheelchair. She intends to go to Germany to get treatment for her son. Her husband is still in Syria.