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.
1 The Volga River is the longest river in Europe, at 2,294 miles. It has its source in the Valdai Hills about 200 miles from St. Petersburg, and flows into the Caspian Sea.  The drainage basin of the Volga includes most of Western Russia, an area that is home to 11 of the 20 largest cities in Russia.