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.
River Rhine. River Severn | River Thames. The Rhine is one of the longest and most important river in Europe. It runs for over 1,232 km (766 mi) from its source in the in the Swiss Alps (in Switzerland), issuing from the Rheinwaldhorn Glacier 3,353m above sea level.