Swiss president visits Bulgaria to boost ties

Visiting Swiss President Doris Leuthard (L) and Bulgarian President Rumen Radev attend a joint press conference in Sofia, capital of Bulgaria, on Nov. 2, 2017. Bulgarian President Rumen Radev met here on Thursday with his Swiss counterpart Doris Leuthard, who came to the Balkan country to boost bilateral ties. (Xinhua/Zhan Xiaoyi)