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.
It would have nearly double the size of the main span of the Akashi-Kaikyo bridge in Japan, making it the longest bridge in the world. The project, originally given a green light by Berlusconi was shelved by Romano Prodi in 2006 and put back on life support in 2008 when Berlusconi returned to power.