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 U Bein Bridge, Burma. At almost 4,000 feet long, this is the longest teak bridge in the world and spans Taugthaman Lake in Amarapura. Not wanting to throw out the teak columns during the move from the old palace to Mandalay, the cityâs mayor, U Bein, made a bridge out of them. Those teak columns must have been huge.