La Laguna, Santa Cruz de Tenerife, Spain
Tehran, Tehran, Iran (Islamic Republic of)
Tirana, Tirana, Albania
Varna, Varna, Bulgaria
Oxford, Oxfordshire, England
Ljubljana, Slovenia
Cairo, Cairo, Egypt
Frankfurt am Main, Hessen, Germany
Berlin, Berlin, Germany
Sofia, Sofia, Bulgaria
Muscat, Oman
Tehran, Tehran Province, Iran (Islamic Republic of)