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epa06207846 Visitors run during the opening of the 184rd edition of the traditional Oktoberfest beer and amusement festival in the German Bavaria state's capital Munich, Germany, 16 September 2017. The Oktoberfest runs from 16 September to 03 October 2017 and more several millions of visitors are expected from all over the world. EPA-EFE/CHRISTIAN BRUNA

Visitors cheer inside the Hofbraeu tent during the opening of the 184rd edition of the traditional Oktoberfest beer and amusement festival in the German Bavaria state's capital Munich, Germany, 16 September 2017. The Oktoberfest runs from 16 September to 03 October 2017 and more several millions of visitors are expected from all over the world. EPA-EFE/CHRISTIAN BRUNA

Visitors cheer inside the Hofbraeu tent during the opening of the 184rd edition of the traditional Oktoberfest beer and amusement festival in the German Bavaria state's capital Munich, Germany, 17 September 2017. The Oktoberfest runs from 17 September to 03 October 2017 and more several millions of visitors are expected from all over the world.

A visitor wears a hut with the traditional decoration Gamsbart (beard of chamois) during the opening of the 184rd edition of the traditional Oktoberfest beer and amusement festival in the German Bavaria state's capital Munich, Germany, 17 September 2017. The Oktoberfest runs from 17 September to 03 October 2017 and more several millions of visitors are expected from all over the world.

epaselect epa06208434 Visitors sit in a leisure ride at the fairground during the opening of the 184rd edition of the annual traditional Oktoberfest beer and amusement festival in the German Bavaria state's capital Munich, Germany, 16 September 2017. The Oktoberfest runs from 17 September to 03 October 2017 and is expected to attract once more several millions of visitors from all over the world. EPA-EFE/CHRISTIAN BRUNA

A general view of the 184rd edition of the annual traditional Oktoberfest beer and amusement festival is seen from a ferris wheel during sunset in the German Bavaria state's capital Munich, Germany, 03 October 2017.

epa06242721 Visitors ride ona carousel at the fairground during the 184th edition of the traditional Oktoberfest beer and amusement festival in the German Bavaria state's capital Munich, Germany, 03 October 2017. The Oktoberfest runs from 16 September to 03 October 2017 and more several millions of visitors are expected from all over the world. EPA-EFE/CHRISTIAN BRUNA

epa06305792 YEARENDER 2017 OCTOBERVisitors ride on a carousel at the fairground on the last day of the 184th Oktoberfest beer festival in Munich, Germany, 03 October 2017. The event ran from 16 September to 03 October and was attended by several millions of visitors from all over the world. EPA-EFE/CHRISTIAN BRUNA

epa06242741 Visitors cheer inside a beer tent during the 184th edition of the traditional Oktoberfest beer and amusement festival in the German Bavaria state's capital Munich, Germany, 03 October 2017. The Oktoberfest runs from 16 September to 03 October 2017 and more several millions of visitors are expected from all over the world. EPA-EFE/CHRISTIAN BRUNA

Migrants walk along a street to the Austrian - Slovenian border in Sentilj, Slovenia, Wednesday, Oct 21, 2015. AP Photo/Christian Bruna

NICKELSDORF, AUSTRIA - SEPTEMBER , 2015: Syrian refugees arrive at the Austrian - Hungarian border neat Nickelsdorf.

NICKELSDORF, AUSTRIA - SEPTEMBER , 2015: Syrian refugees arrive at the Austrian - Hungarian border neat Nickelsdorf.

Migrants crossing the Austrian - Slovenian border in Sentilj, Slovenia, Tuesday, Oct 20, 2015. AP Photo/Christian Bruna

AUSTRIA, Vienna : Vienna's and Pilzen's fight for the ball during the UEFA Europa League Group E football match between SK Rapid Wien and FC Viktoria Plzen in Vienna, on October 22, 2015. AFP PHOTO / CHRISTIAN BRUNA