5,000 ton central span of the St. Lawrence Bridge in Canada collapsed and sank in 10 seconds
Canadian Bridge Disaster - 5,000 ton central span of the St Lawrence Bridge collapsed and sank in 10 seconds - 1916.
Disaster on the St. Lawrence Seaway. Pan along the collapsed section; sitting and sinking just at the water level; with several boats nearby - some tugboats; a barge; and a rowing boat. Then pan across same from distance; showing how much the centre section has sunk in comparison to the sides.
G 397 A.