US actor Will Smith (L front) performs at the closing ceremony of the 2018 FIFA World Cup in Moscow, Russia, July 15, 2018. [Photo/Xinhua]

Former Brazilian soccer player Ronaldinho (C front) is seen at the closing ceremony of the 2018 FIFA World Cup in Moscow, Russia, July 15, 2018. [Photo/Xinhua]

Former Brazilian soccer player Ronaldinho (C front) is seen at the closing ceremony of the 2018 FIFA World Cup in Moscow, Russia, July 15, 2018. [Photo/Xinhua]

Photo taken on July 15, 2018 shows the closing ceremony of the 2018 FIFA World Cup in Moscow, Russia. [Photo/Xinhua]

Fans are seen at the closing ceremony of the 2018 FIFA World Cup in Moscow, Russia, July 15, 2018. [Photo/Xinhua]

Photo taken on July 15, 2018 shows the closing ceremony of the 2018 FIFA World Cup in Moscow, Russia.[Photo/Xinhua]

Photo taken on July 15, 2018 shows the closing ceremony of the 2018 FIFA World Cup in Moscow, Russia. [Photo/Xinhua]

Photo taken on July 15, 2018 shows the closing ceremony of the 2018 FIFA World Cup in Moscow, Russia. [Photo/Xinhua]