The most common symptom of PKD is high blood pressure. Other symptoms are: 1  Pain in the back and side. 2  Blood in the urine. 3  Frequent kidney infections.he most common symptom of PKD is high blood pressure. Other symptoms are: 1  Pain in the back and side. 2  Blood in the urine. 3  Frequent kidney infections.
The longest river of Europe is the River Volga. It flows primarily in a southerly direction through Russia into the Caspian Sea. The second longest is the Danube, flows west to east before entering the Black Sea.
Major Rivers of Europe : Danube. Danube is the second largest river of Europe. It originates from Germany which is the central part of Europe and traverses along eastern Europe before falling in Black sea. Danube river passes through 10 European countries â Austria, Bulgaria, Croatia, Germany, Hungary, Moldova, Romania, Serbia, Slovakia and Ukraine.