Life-size wooden model representing the cross section of the San Carlo alle Quattro Fontane Church in Rome. Mario Botta Architetti [833×1000]

Life-size wooden model representing the cross section of the San Carlo alle Quattro Fontane Church in Rome. Mario Botta Architetti [833×1000]

Tabloid medicine chest carried by Walter Wellmann and Melvin Vaniman during their attempt to cross the Atlantic Ocean in a powered airship called America in September 1910. [4086×2832]

Tabloid medicine chest carried by Walter Wellmann and Melvin Vaniman during their attempt to cross the Atlantic Ocean in a powered airship called America in September 1910. [4086×2832]

Smoke rises around the altar in front of the cross inside the Notre Dame Cathedral as a fire continues to burn in Paris, France, April 16, 2019. PHILIPPE WOJAZER / REUTERS

Smoke rises around the altar in front of the cross inside the Notre Dame Cathedral as a fire continues to burn in Paris, France, April 16, 2019. PHILIPPE WOJAZER / REUTERS