Ling Zhengce, deputy chairman of the Shanxi branch of the Chinese People's Political Consultative Conference (CPPCC), attends a meeting in Taiyuan, Shanxi province, China, in this January 22, 2013 file photo. REUTERS/Stringer

A refugee cleans his tent in a makeshift camp on the Hungary-Serbia border, on the Serbian side of a transit zone set up by Hungarian authorities to filter refugees at Roszke, Hungary, September 2, 2016. REUTERS/Laszlo Balogh

A refugee cleans his tent in a makeshift camp on the Hungary-Serbia border, on the Serbian side of a transit zone set up by Hungarian authorities to filter refugees at Roszke, Hungary, September 2, 2016. REUTERS/Laszlo Balogh

Police and army units patrol the Hungary-Serbia border at Asotthalom, Hungary, September 1, 2016. REUTERS/Laszlo Balogh

The mayor of the Hungarian border village of Asotthalom, Laszlo Toroczkai - also the vice chairman of the country's far-right Jobbik party - poses by the fence at Asotthalom, Hungary, September 2, 2016. REUTERS/Laszlo Balogh

A sign pasted onto the border fence on the Hungary-Serbia borderline warns refugees that damaging the fence is a criminal offence at Roszke, Hungary, September 2, 2016. REUTERS/Laszlo Balogh

Police and army units partol as the sun rises at the Hungary-Serbia border fence at Asotthalom, Hungary, September 1, 2016. Picture taken September 1, 2016. REUTERS/Laszlo Balogh

A refugee child stands outside her tent on the Hungary-Serbia border, in a camp outside a transit zone set up by Hungarian authorities to filter refugees at Roszke, Hungary, September 2, 2016. REUTERS/Laszlo Balogh