Popular locations in this country : Burgas 6 Varna 4 Borovets 4 Albena 2 Sofia 2 Borovetz, Rila Mountains 1 Pernik 1
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Borovets, Bulgária
Biologia e ciências da vida Ecosystems, Environment and Sustainable Development
Borovets, Bulgária
Ciências da Engenharia Engineering (general)