Veticcal News Today

>> a pancake effect. almost symmetrical in vertical causing the structure to come straight down instead of collapsing sideways or in any other trajectory meaning whatever caused it, which is unknown at this point, would have caused this structure to have a clean veticcal collapse of those towers. >> reporter: while engineers continue to speculate from afar in reality, the answer lies like the victims trapped under rubble. the 40-year-old structure was due for massive repairs. an alarming 2018 st...