It wasn't just the beauty of the polished stone block walls or the fact that this abandoned city sits atop a narrow ridge more than 2400 meters above sea level.

VOA: standard.2009.12.15

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

VOA: special.2010.07.05

Climbers have to pull themselves straight up the face of very high rocks or walls.

VOA: special.2009.12.09

This is necessary so that the walls of a building will not shrink or break.

VOA: special.2009.01.12

Rock walls made of wood or concrete have places for the climber's hands and feet.

VOA: special.2009.12.09

Soldiers with such weapons could be put into position behind stone or earth walls.

VOA: special.2009.12.03

They built or improved existing walls and floodgates to block the waves.

VOA: special.2009.03.17

From this room, you can explore the nearby Chinese Loggia, or go upstairs to see the Italian art hung on the deep red walls of the Raphael Room.

VOA: special.2009.01.11