In the poem "Mending Wall" the speaker and his neighbor walk together along a wall, repairing the damage caused by winter weather: Something there is that doesn't love a wall, That sends the frozen-ground-swell under it And spills the upper boulders in the sun, And makes gaps even two can pass abreast...

VOA: special.2011.04.17

On May,22 they even launched a ground attack on Kandahar air field, NATO's sprawling military base outside the city.

VOA: standard.2010.05.26

Houses here sit close to the ground, even though the land is lower than a lake nearby.

VOA: standard.2009.12.21

Mr.Obama promised to listen and seek common ground, even in areas of deep disagreement.

VOA: standard.2009.04.06