When I first saw the initial video, I immediately assumed a nitrate explosion. A bomb that large would be too hard to place or even deliver (if a plane), and fi

When I first saw the initial video, I immediately assumed a nitrate explosion. A bomb that large would be too hard to place or even deliver (if a plane), and fireworks would not explode with a such a perfect shockwave. The red color of the original smoke is rather telling as well and that it occurred in a dockyard.