Fans of Mexico's team pose for photos near the Red Square in Moscow, Russia, on June 13, 2018. The 2018 Russia World Cup will kick off on June 14. (Xinhua/Yang Lei)

Chinese tourists pose for photos with a Colombian team's fan in Moscow, Russia, on June 13, 2018. The 2018 Russia World Cup will kick off on June 14. (Xinhua/Yang Lei)

Fans cheer near the Red Square in Moscow, Russia, on June 13, 2018. The 2018 Russia World Cup will kick off on June 14. (Xinhua/Yang Lei)

Brazilian team's fans pose for photos near the Red Square in Moscow, Russia, on June 13, 2018. The 2018 Russia World Cup will kick off on June 14. (Xinhua/Yang Lei)

Fans play soccer near the Red Square in Moscow, Russia, on June 13, 2018. The 2018 Russia World Cup will kick off on June 14. (Xinhua/Yang Lei)

A Colombian fan poses for photos near the Red Square in Moscow, Russia, on June 13, 2018. The 2018 Russia World Cup will kick off on June 14. (Xinhua/Yang Lei)

Fans play soccer near the Red Square in Moscow, Russia, on June 13, 2018. The 2018 Russia World Cup will kick off on June 14. (Xinhua/Yang Lei)

A fan plays trumpet near the Red Square in Moscow, Russia, on June 13, 2018. The 2018 Russia World Cup will kick off on June 14. (Xinhua/Yang Lei)