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Winter Olympics: Sadie Bjornsen of Winthrop talks about how she preps for a race 3:05

Winter Olympics: Sadie Bjornsen of Winthrop talks about how she preps for a race

Winter Olympics: Images from the Opening Ceremony from South Korea 1:52

Winter Olympics: Images from the Opening Ceremony from South Korea

Winter Olympics: Everything you need to know about curling 1:50

Winter Olympics: Everything you need to know about curling

Why Team USA athletes have been 'spotted' with cupping marks 1:10

Why Team USA athletes have been "spotted" with cupping marks

USA Swim Team tries out Carpool Karaoke on the road to Rio 7:42

USA Swim Team tries out Carpool Karaoke on the road to Rio

Olympian Casey Eichfeld finds 'happy place' in raging whitewater 3:39

Olympian Casey Eichfeld finds 'happy place' in raging whitewater

Olympian Ashleigh Johnson blocks shots, breaks stereotypes in water polo 3:22

Olympian Ashleigh Johnson blocks shots, breaks stereotypes in water polo

Cyclist Kristin Armstrong takes fourth Olympics for a spin 2:30

Cyclist Kristin Armstrong takes fourth Olympics for a spin

Nico Hernandez fights for family, and for gold, in Rio 2:38

Nico Hernandez fights for family, and for gold, in Rio

Gold medalist long jumper Brittney Reese hopes to defend her title 1:53

Gold medalist long jumper Brittney Reese hopes to defend her title

By The Numbers: 2018 Winter Olympics

The Winter Olympics will begin in PyeongChang, South Korea, this week. Here are some facts you should know before the Games begin.
Eric Garland/McClatchy