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.
1 It is still standing strong and is in use today. 2  The Brooklyn Bridge was built in 1883 and it connects Manhattan and Brooklyn over the East River. 3  When it was built, it was the longest suspension bridge in the world. 4  It is one of the busiest bridges in the world with 145,000 vehicles crossing it every day.