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It has the best preserved delta in Europe- Crossing the south of Romania , the Danube forms a wonderful delta before flowing into the Black Sea . The Danube Delta is home to 23 natural ecosystems . It is a UNESCO Heritage site .
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The biggest Gothic church is in Romania – The Black Church of Brasov is unparalleled in Eastern Europe , being the biggest Gothic church between Vienna and Istanbul . Partially destroyed by fire in 1689 , the church ’ s walls darkened and so the church got its name .
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