German Chancellor Angela Merkel (R) and French President Emmanuel Macron (L) attend the opening ceremony of the 69th Frankfurt Book Fair in Frankfurt, Germany, on Oct. 10, 2017. German Chancellor Angela Merkel and French President Emmanuel Macron together opened the 69th Frankfurt Book Fair Tuesday evening. With around 200 French authors coming to Frankfurt, France is this year's guest of honor at the international publishing industry's biggest trade fair, where over 7,300 exhibitors from 102 countries and regions as well as around 278,000 visitors are expected. (Xinhua/Luo Huanhuan)