In most cases, pulmonary embolism is caused by a blood clot in the leg that breaks loose and travels to the lungs. A blood clot in a vein close to the skin is not likely to cause problems. But having blood clots in deep veins (deep vein thrombosis) can lead to pulmonary embolism.
St. Petersburg. 1  St. Petersburg is a city with a long and eventful history. 2  Altai is perhaps the most beautiful region of Russia. 3  Moscow is the capital of Russia, as well as the nationâs epicentre of arts, music, science, academics, and politics.  For a step back in time, Olkhon Island is a wonderful place to visit.
Komsomolskaya Moscow Metro Station. Komsomolskaya Moscow metro station is one of the most beautiful subway stations we have. In fact, there are two such stations in our metro-one is located on the ring line (Koltsevaya), and the other one sits on Sokolnicheskaya line that's colored in red on Moscow metro map.he passage will lead you to Komsomolskaya-Radialnaya metro station, the one that's on Sokolnicheskaya line. There's nothing much to say about it, as it has much simpler and cheaper looks, but the cool thing is the station has two levels.