Kate Adie introduces correspondents' stories. Today: Theopi Skarlatos traces the growing divide in Athens; Nick Thorpe says it's not just Italy and Greece that thousands of migrants are heading for - Hungary is now putting up the barbed wire to stem the tide; Mark Urban is in Bosnia where 20 years ago the flow of mujaheddin fighters was into the former Yugoslavia but now the government there is worried about the consequences of that; Kirsty Land learns why a two and a half thousand year old play from ancient Greece still resonates in a refugee camp in Beirut; and Alastair Leithead checks out of Hotel California - but can he ever really leave?