The next size up is the full- or double-size bed. It measures 54 inches wide and 75 inches long and can also be found in an 80-inch length. Full-size beds can be a snug fit for two taller people, so consider moving up to a queen size if you have the space and plan to use it frequently for yourself or guests.
How to Build the Worldâs Longest Floating Bridge. Hulking engineering projects built with 230,000 tons of concrete generally donât float. Washington state, however, knows a little about how to make so much mass actually buoyant. Washington owns the four longest floating bridges in the world. The longest, State Route 520, connects Seattle to points east over Lake Washington, which dips to 214 feet deep.
China is already home to seven of the world's 10 lengthiest bridges, including the world's longest, the 102-mile Danyang-Kunshan rail bridge, which runs over land and water near Shanghai. 102.4 miles: DanyangâKunshan Grand Bridge, China (rail) 70.6 miles: Tianjin Grand Bridge, China (rail)