She gave a free concert in the open air, near the Lincoln memorial.

VOA: special.2009.01.25

The World War Two Memorial stands in the open air.

VOA: special.2009.05.25

The seeds float in the air when the pods break open.

VOA: special.2010.04.06

Before the meeting Pope Benedict celebrated a large open-air mass in Valletta, attended by thousands of people.

VOA: standard.2010.04.18

World leaders and dignitaries have gathered to join in the 20th anniversary celebrations, which include open air concerts, fireworks,and the symbolic collapse of a wall of brightly painted oversize dominoes.

VOA: standard.2009.11.09