71.   After a brief pause, the door swings open.

72.   Linenger, understandably, was the most excited of the bunch when the doors swung open.

73.   The doors finally swung open after tense conversations between the crew and flight controllers.

74.   The gas chamber doors suddenly swung open.

75.   The wooden doors slowly swung shut.

76.   Unlike wild bears, none of the hand-raised cubs bolted for freedom when the doors swung open on their cages.