PRAGUE, CZECH REPUBLIC - SEPTEMBER 04:  (L-R) Hungarian Prime Minister Viktor Orban, Czech Prime Minister Bohuslav Sobotka, Polish Prime Minister Ewa Kopacz, and Slovak Prime Minister Robert Fico pose for photographers before the extraordinary summit of Visegrad Four (V4) countries on Septemter 4, 2015 in Prague, Czech Republic. The main intent of this V4 summit is to discuss migrant crisis in Europe.  (Photo by Matej Divizna/Getty Images)