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.
China has opened the worldâs longest sea bridge, a 26.4 mile-long structure that could easily span the English Channel. Stretching across the wide blue waters of Jiaozhou bay, the vast Y-shaped bridge connects the booming Northern port city of Qingdao with an airport built on a nearby island and the industrial suburb of Huangdao.