12 September 2018, Bulgaria, Plowdiw: 12.09.2018, Bulgaria, Plovdiv: A signpost to various twin cities, such as Leipzig, is photographed by a tourist. The signpost is located on the boulevard next to the post office in the city centre, which is currently being renovated. In 2019, the city will be European Capital of Culture. Photo: Jens Kalaene/dpa-Zentralbild/ZB