Twelve years later , the pumped storage plant `` Bajina Bašta `` was built , and in 1990 the hydroelectric power station `` Pirot `` was put into operation .
NUM NOUN ADV , DET VERB NOUN NOUN `` PROPN PROPN `` AUX VERB , CCONJ ADP NUM DET ADJ NOUN NOUN `` NOUN `` AUX VERB ADP NOUN .