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 Golden Gate Bridge is perhaps the most iconic example of this bridge style, but itâs Akashi Kaikyo Bridge â aka the Pearl Bridge â that holds the title for the worldâs longest suspension bridge. This 2.4-mile-long bridge reaches across the Akashi Strait, connecting the city of Kobe on the Honshu mainland with Awaji Island.