Most cases of black stools are from eating black foods or iron supplements. The most common condition causing black stools is a bleeding ulcer. Black stools caused by blood indicate a problem in the upper digestive tract. Blood in the stool can be detected through a stool test.
Akashi-Kaikyo Bridge, Japan. The Akashi-Kaikyo Bridge, spanning the Akashi Strait, connects the city of Kobe and Awaji Island in Hyogo Prefecture. It is the world's longest suspension bridge, with its central span measuring 1,991m. Its made up of six lanes with a combined length of 3,911m.
The Frommers travel guide considers the Golden Gate Bridge possibly the most beautiful, certainly the most photographed, bridge in the world. It opened in 1937 and was, until 1964, the longest suspension bridge main span in the world, at 4,200 feet (1,300 m).he Golden Gate Bridge is the top most used suicide site/ suicide bridge in the world, after the Nanjing Yangtze River Bridge (see List of suicide sites). The deck is about 245 feet (75 m) above the water.