21.   Investigations of how and why those buildings survived could lead to improvements in the way skyscrapers and other structures are built.

22.   It took Ban and his group of volunteer university students five weeks to build the structure, which is a community hall that also functions as a church.

23.   Kings built vast structures for parties and palm trees, while more practical farmers put glass-paned cold frames over their tender vegetables.

24.   Large real estate and construction companies gained on optimism they will be allowed to build larger structures on the same sites.

25.   Like the buildings of Italy and Spain, many Graz structures are built around multistoried arcades that delight the eye with their peaceful symmetry.

26.   Local governments own the bought-out properties but are not allowed to build permanent structures on them.

27.   Many have improved their dirt-floored digs, building makeshift structures from scrap lumber, plywood, and sheet metal.

28.   Majka, a former carpenter, built the structure that houses his winery on land he already owned.

29.   Mayor Ehud Olmert said the structures had been built without permits.

30.   Nobody has ever measured how the ground shakes during a subduction quake so engineers have no way of knowing how best to build structures that can withstand the shaking.