Captain Kumar Kirinde, SLAF Retd, whose facored title runs as “THE DESTROYED TOWERS OF THE WORLD TRADE CENTRE OF NEW YORK: THE AFTEMATH OF 9/11 REMEMBERED IN PICTURES” .…. Sources: http://www.quora.com (posts by Ann Longmore-Etheridge), ……………………………………………………………………………….. https://science.howstuffworks.com/engineering/structural/world-trade-center-slurry- wall.htm and Google Images
Constructing the World Trade Center (1970)
Pic: https://www.ba-bamail.com/baba-recommends/history-in-pictures-25- amazing-images-of-the-past/ ….