Rena a 20 years old migrant from Morocco, who has been waiting to cross the Greek- Macedonian borders for 17 days, sits on a chair, sits near to a fire started by refugees and migrants to warm up, at the northern Greek border station of Idomeni, Friday, Dec. 4, 2015. More than 3,000 people remain stuck on the Greek side of the border, as Macedonia and other Balkan countries refuse to let them through, considering them economic migrants. (AP Photo/Petros Giannakouris), APTOPIX