81.   We all stared at the broken skeleton of the north tower, construction crews at its base, an American flag flying high above the rubble.

82.   When a co-worker told her about the first plane hitting the north tower, she called her husband.

83.   Welsh remembered his favorite moment in the north tower, watching a storm flush the city with lightning.

84.   While he was taking a shower, a jet hit the north tower of the World Trade Center, but he was unaware of it.

85.   Yet one day last summer, Garrett parked his car near the Golden Gate Bridge, walked out to the north tower and jumped to the rocks below.

86.   Calls from the north tower continued.

87.   Everyone in the north tower runs for cover and the tape goes blank.

88.   Firefighters in the north tower are seen running for safety after the collapse of the south tower.

89.   He saw smoke pouring from the north tower, where his mother, Benilda, worked as a janitor.

90.   In one TV commercial Mike Morroni describes arriving at work late and seeing a huge gash in the north tower of the trade center.