World Cycling Championships Open in Hong Kong: Pictures

Switzerland's team competes during qualifying in Men’s Team Pursuit on Day 1 of the 2017 UCI Track Cycling World Championships at the Hong Kong Velodrome. AP Photo/Kin Cheung
Great Britain’s team competes during qualifying in the Women’s Team Pursuit at the World Track Cycling championships. AP Photo/Kin Cheung
Italy's Rachele Barbieri celebrates after winning the gold medal in the Women's Scratch Race. AP Photo/Kin Cheung
Team Australia (top) and Team Britain compete in Men's Team Pursuit qualifying. REUTERS/Bobby Yip
Team Poland competes in Men's Team Pursuit qualifying on day one of the 2017 UCI Track Cycling World Championships at the Hong Kong Velodrome. Kevin Lee/Getty Images
Team Canada crashes during Men's Team Pursuit qualifying. REUTERS/Bobby Yip
Team USA during Men's Team Pursuit qualifying. REUTERS/Bobby Yip
Theo Bos, Jeffrey Hoogland, and Nils Van't Hoenderdaal of the Netherlands during the Men's Team Sprint Final. Kevin Lee/Getty Images
Australia and Great Britain during Men's Team Pursuit qualifying. Power Sport Images/Getty Images
Great Britain’s team competes during qualifying in Men’s Team Pursuit. AP Photo/Kin Cheung
Team Mexico, with Jessica Salazr Valles and Yuli Osuna Verdugo, compete in Women's Team Sprint qualifying. Power Sport Images/Getty Images
New Zealand's Edward Dawkins, Sam Webster and Ethan Mitchell compete in the Men's Team Sprint. AP Photo/Kin Cheung
Riders compete in the Women's Scratch Race. AP Photo/Kin Cheung
Team France competes in Men's Team Pursuit. Kevin Lee/Getty Images
New Zealand's Edward Dawkins, left, and Ethan Mitchell celebrate after winning the gold medal in the Men's Team Sprint. AP Photo/Kin Cheung
Team Russia, with Alexander Evtushenko, Alexey Kurbatov, Viktor Manakov and Sergei Shilov compete in the Men's Team Pursuit. Power Sport Images/Getty Images
Russia's Anastasiia Voinova, left, and Daria Shmeleva pose for a selfie after winning the gold medal in the Women's Team Sprint at the World Track Cycling championships. AP Photo/Kin Cheung