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Monday, April 15th
Smoke is seen around the alter inside Notre Dame cathedral in Paris, Monday, April 15, 2019. A catastrophic fire engulfed the upper reaches of Paris' soaring Notre Dame Cathedral as it was undergoing renovations Monday, threatening one of the greatest architectural treasures of the Western world as tourists and Parisians looked on aghast from the streets below. See a story of this tragedy. (Philippe Wojazer/Pool via AP)