Sometimes, we can just be living out a normal day when a situation suddenly unfolds in front of us. In the most extreme cases, these situations are equal parts dangerous and difficult to explain and it's hard not to feel powerless as they're going on.
And if help has already been summoned, all we can do is hope to get some answers as to what happened and why later. But whether that explanation comes or not, we never forget what we saw.
And one mysterious fire in Washington D.C. will likely stay in the memories of everyone who witnessed it.