If your shoulder pain is sudden and not related to an injury, consult a doctor immediately. It may be a sign of a heart attack. Other signs of a heart attack include trouble breathing, chest tightness, dizziness, excessive sweating, and pain in the neck or jaw. Call 911 immediately if you experience these symptoms.
Image by Hans Juul Hansen via Flickr. Lake Sorvagsvatn located on the island of Vagar is the largest lake in the Faroe Islands. The length of the lake is about 6 km and with a height of 30 meters from sea level is connected to the Atlantic Ocean through waterfall. What is unusual in Lake Servagsvatn is that it is situated on an island surrounded by cliffs whose height ranges from 252 to 376 meters.
The world's largest lake is the salty Caspian Sea at 143,200 square miles (370,886 km2). The Caspian Sea is surrounded by Russia, Azerbaijan, Iran, Turkmenistan, and Kazakhstan. The world's second largest lake, and the world's largest freshwater lake is North America's Lake Superior at 31,700 mi2 (82,103 km2).