Watch Zhou Yaqin Chinese gymnast metal-biting moment at Paris Olympics, here's why winners do that

Daily Pulse 24 on Instagram: "The innocently stunned reaction of Chinese 18-year-old gymnast Zhou Yaqin at the Paris Olympics podium has gone viral all over social media, after she was left perplexed with Italy's medal-bite gesture. Despite having a striong build up, Zhou had to be content with a silver medal after a slip on the beam. . . . #olympics"