U.S. Homeland Security agents provided security support at past Olympics. But after violence by ICE agents in Minneapolis, some Italian officials say an ICE unit is unwelcome in Milan Cortina.

NPR's team in Beijing put together moments and storylines that stuck out — including those that showed immense inner strength, athleticism and grace.

After 16 days and 109 events, the Winter Olympics officially ended Sunday with the traditional closing ceremony. Team U.S.A. finished with 25 medals in all.

NPR found at least 140 athletes listed as competing in this Winter Games that are over the age of 35, according to the Olympic Studies Center.

The policy announced Monday threatens a "hard quarantine" that is longer than the Games themselves for anyone who arrives unvaccinated.