16000 tonnes of steel has been brought down in just a few seconds on 19th May 2019, Sunday. As a demolition crew imploded Martin Tower in Pennsylvania, USA, around sixteen thousand tonnes of steel was found. The headquarter of Bethlehem Steel, which was a 21-storey building has been brought down with dynamite. According to BBC reports 21-storied Martin Tower was opened in 1972, but had been vacant for the past 12 years after America's second-largest steelmaker went out of business. All this happened in just 16 seconds and the video was captured by the people present at the time of the incident. Dust and smoke could be felt and was visible all around the place of accident.
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In fact, according to NBC, Martin Tower's current owners spent years trying to redevelop the 332-foot structure before deciding that it made more economic sense to knock it down. Videos of the demolition have now gone viral online.
CBS News says, 'The implosion rocked parts of the Lehigh Valley, where residents said it was louder than they thought it would be and that "you felt it in your feet." It took around 219 kilograms of explosives to bring down the structure - the tallest in its vicinity.'