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.
This became the worldâs highest bridge after taking the crown from Liuguanghe Bridge but also lost it to the Hegigio Gorge Pipeline Bridge in 2005. Located in Xingbeizhen, Guizhou Province, China, this suspension bridge has a deck height of 1,201 feet and a length 1,273 ft (388 m).