London, England, United Kingdom
Burgas, Burgas, Bulgaria
Utrecht, Utrecht, Netherlands
Sliven, Sliven, Bulgaria
Sofia, Sofia, Bulgaria
Le Puy-en-Velay, Auvergne-Rhône-Alpes, France
Ireland
Sofia, Sofia City Province, Bulgaria
Bruxelles, Bruxelles-Capitale, Belgium
Plovdiv, Plovdiv, Bulgaria
Berlin, Berlin, Germany