14 September 2018, Bulgaria, Plowdiw: 14.09.2018, Bulgaria, Plovdiv: The ancient Roman stadium illuminated in the evening under the shopping street and boulevard Knyaz Aleksander. In the background the Jumaia Mosque, also on Fridays. It is the oldest permanently inhabited city in Europe and one of the oldest in the world. In 2019, the city will be European Capital of Culture. Photo: Jens Kalaene/dpa-Zentralbild/ZB