DOT (graph description language) DOT is a plain text graph description language. DOT graphs are typically files with the file extension gv or dot. The extension gv is preferred to avoid confusion with the extension dot used by early (pre-2007) versions of Microsoft Word. Various programs can process DOT files.
The Lake Pontchartrain Causeway, or the Causeway, consists of two parallel bridges crossing Lake Pontchartrain in southern Louisiana, United States. The longer of the two bridges is 23.83 miles (38.35 km) long. It is the longest bridge in the world that runs continuously over water.
GYRO PHOTOGRAPHY/amanaimages/Corbis. No river is too wide for the incredible feats of engineering that are the worldâs longest bridges. Length: 6,532 ft. Before this steel behemoth bridged the Akashi Strait that separates Kobe from Iwaya, severe storms in the area would routinely sink ferries.