Studena Dam, Struma River, Bulgaria (© Ivan Pendjakov/age fotostock)

【October 20 2013】The Struma River flows from near the Bulgarian capital of Sofia through the southwestern region of the country, crossing into Greece where it meets the Aegean Sea. The dam at Studena, in Oblast Pernik, helps control the floodplain.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..