Milan's San Siro Stadium played the role of primary host. But, in the spirit of these unusually widespread Games, simultaneous celebrations were also held in the clusters of Livigno, Predazzo and Cortina d'Ampezzo, which — for the first time ever — lit a second Olympic cauldron.

Simone Biles held off Brazil's Rebeca Andrade for all-around Olympics gymnastics gold. At 27, she's the oldest Olympic women's gymnastics champ since 1952.