The ancestral Pueblo people used stone tools to widen the small natural openings in the face of the canyon walls.

VOA: special.2010.07.05

Along the walls and in the caves are designs or symbols carved into the rock or painted on it.

VOA: special.2010.07.05

Young adults would use paint in special cans to spray their "tag" on walls and train cars around the city.

VOA: special.2009.04.08

Visitors can stand at the top of the mesas and look into the dwellings almost hidden in openings of the rock walls.

VOA: special.2009.03.04

In fifteen-oh-eight, Pope Julius the Second asked Raphael to cover the walls and ceiling of some of the Pope's private living areas.

VOA: special.2010.02.03

Bones,hair,feathers, even the remains of plants have been found in deep, dry caves high in the rock walls.

VOA: special.2009.10.07

Marley would attack the furniture,walls and doors until his feet bled if he was left alone in the house during a storm.

VOA: special.2009.02.23

"And the water here, came in like that,bang." When Katrina hit, water levels exceeded the height and strength of many of these walls.

VOA: special.2010.01.22

Officials in Giles County say they may put the Ten Commandments back on the walls of the schools but will add other historical documents.

VOA: special.2011.03.17

About ten different projectors direct the image of the candle on different walls in the room.

VOA: special.2011.05.18

On the other side, sunshine lights up the naked rock walls in red, orange,and gold.

VOA: special.2009.10.07

From far and near the people gathered in the arena and outside its walls.

VOA: special.2009.04.18

Some of the mummies had signs of atherosclerosis in the inner walls of up to six arteries, the passages that lead blood away from the heart.

VOA: special.2009.12.15

The rock walls have protected the buildings from severe weather in the area.

VOA: special.2009.03.04

In some places, the canyon walls are more than a kilometer deep.

VOA: special.2009.10.07

Some people even stop dead in their tracks, so they can stare at the newly unveiled murals that have been created on the station's walls.

VOA: standard.2010.07.10

Walls was one of 32 educators attending the Singapore Math training program in Baker,Louisiana.

VOA: standard.2010.08.10

Secretary Napolitano, a former governor and attorney general in the southwestern border state of Arizona, says prosecuting drug criminals is a more effective strategy than building border walls.

VOA: standard.2009.03.24

Wowereit added that the project is meant to teach them about that time in history and to encourage them to break down walls and barriers wherever they may be.

VOA: standard.2009.11.09

Changes include thicker walls in the youngsters' blood vessels.

VOA: standard.2010.03.04

Richard Milner is working on his next book,which explores the art of Charles R.Knight, the American painter of dinosaurs, ice age mammoths and saber-toothed cats, whose work adorns the walls of the American Museum of Natural History in New York, the Field Museum in Chicago and other institutions.

VOA: standard.2009.11.25