In Notre Dame fire, embers of unity for a fractured France

People walk toward the Notre Dame Cathedral to attend a vigil, in Paris, Tuesday April 16, 2019. Firefighters declared success Tuesday in a more than 12-hour battle to extinguish an inferno engulfing Paris’ iconic Notre Dame cathedral that claimed its spire and roof, but spared its bell towers and the purported Crown of Christ. (AP Photo/Kamil Zihnioglu)

PARIS — In Paris’ heart, a charred and gaping hole.