panorama of the iron gates, also known as djerdap, with a forest of pine fir trees in front & danube river behind near the serbian

also attraction beautiful blue border canyon cliff danube din djerdap donji environment fier fir flow forest forms gate gates gorge green high iron known landmark landscape milanovac mountain national natural nature outdoor panorama panoramic park part peak pine portile river rock rocky romania romanian romaniapicture scenic serbia serbian sunny symbol tourism travel tree wood