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.
September 22, 2015. Busch Gardens Williamsburg. Busch Gardens has been named World's Most Beautiful Theme Park every year since 1990 by the National Amusement Park Historical Association (NAPHA). England, Scotland, Ireland, France, Germany and Italy serve as the setting for Busch Gardensâ 350-plus acres of exploration.