The Olympic Stadium is illuminated prior to the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Felipe Dana)

Fireworks explode during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Charlie Riedel)

Dancers perform during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Chris Carlson)

Thomas Bach, left, president of the International Olympic Committee, South Korean President Moon Jae-in, right, wave with Ivanka Trump, back right, U.S. President Donald Trump's daughter during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Natacha Pisarenko)

Fireworks explode behind the Olympic Stadium during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Felipe Dana)

Performers participate in the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Kirsty Wigglesworth)

Fireworks explode behind the Olympic cauldron at the start of the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (Christof Stache/Pool Photo via AP)

Athletes from the Czech Republic walk into the stadium during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Aaron Favila)

Flag bearers from various nations attend the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Charlie Riedel)

Performers act out a scene during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Michael Probst)

From left, Finland's Krista Parmakoski, silver, Norway's Marit Bjoergen, gold, and Sweden's Stina Nilsson, bronze, pose for photos during the medals ceremony for the women's 30k cross-country skiing at the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Natacha Pisarenko)

Athletes enter the stadium during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Charlie Riedel)

A performer dressed as a panda dances during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Chris Carlson)

A performer participates in the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Kirsty Wigglesworth)

Dancers perform during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Michael Probst)

Thomas Bach, president of the International Olympic Committee speaks during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Natacha Pisarenko)

Athletes from various nations including Pita Taufatofua, of Tonga, at left, United States' Lindsey Vonn, third from left, and Thomas Bach, president of the International Olympic Committee, fifth from left, pose during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Kirsty Wigglesworth)

An Olympic mascot stands by a snow globe during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Kirsty Wigglesworth)

Fireworks explode over the Olympic flame during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Michael Probst)

The Olympic flame is extinguished during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Chris Carlson)

A performer participates in the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Kirsty Wigglesworth)

Olympic mascots and a young girl participate in the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Natacha Pisarenko)

Fireworks explode over the extinguished Olympic cauldron during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Michael Probst)

Performers carry lights during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Natacha Pisarenko)

Fireworks explode behind the Olympic Stadium during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Felipe Dana)

Performers dressed as pandas take the stage as Beijing is celebrated as the next host city for the 2022 Winter Olympics during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Charlie Riedel)