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.
Boasting a main span of 1,595 feet and a total measurement of 5,989 feet, the Brooklyn Bridge held the superlative of longest suspension bridge in the world for two decades. When it finally lost the title in 1903, its successor was none other than its fellow East River crossing the Williamsburg Bridge.