FILE PHOTO: Flags in front of the European Central Bank (ECB) before a news conference at the ECB headquarters in Frankfurt, Germany, April 27, 2017. REUTERS/Kai Pfaffenbach/File Photo
FILE PHOTO: Flags in front of the European Central Bank (ECB) before a news conference at the ECB headquarters in Frankfurt, Germany, April 27, 2017. REUTERS/Kai Pfaffenbach/File Photo