One such material is asphalt, a substance often placed on top of buildings and used to cover road surfaces.

VOA: special.2010.03.02

So I set out on a journey to see his buildings and to find whatever was left of him out there."

VOA: special.2011.07.24

This year,most performances took place in the center of Washington in a group of old buildings that used to be businesses.

VOA: special.2009.08.05

The buildings in the exhibit include the World Trade Center in New York that was destroyed in the terrorist attacks;

VOA: special.2010.07.30

While studying warships, Fuller realized that they weighed much less than buildings, yet were able to do much more.

VOA: special.2010.05.30

The men at the camp would run out of the buildings where they slept, thinking it was an earthquake.

VOA: special.2009.01.24

Most of the buildings in Santa Fe are low and earth colored, a mixture of Spanish and native styles.

VOA: special.2009.03.30

Many people around the world have found that adobe is a good way to make houses or farm buildings.

VOA: special.2009.01.12

It meant that people would not have to climb many steps to reach the upper floors of tall buildings.

VOA: special.2010.03.31

So we make buildings that require very little heating in the winter or indeed very little cooling in the summer.

VOA: special.2009.10.05

Today we look up into the skies to explore the past and present of the tallest buildings in the world.

VOA: special.2010.03.31

The streets and walks and grass and buildings of the university seemed to me a Hollywood version of a college.

VOA: special.2010.01.30

Today,the buildings are no longer there, just the outlines of where they stood, and some of the original bricks.

VOA: special.2010.04.26

Today we tell about an artist in Washington whose work can be found on the sides of several city buildings.

VOA: special.2010.03.19