Democratic U.S. presidential candidate Hillary Clinton and U.S. Senator Tim Kaine (D-VA) wave to the crowd during a campaign rally at Ernst Community Cultural Center in Annandale, Virginia, U.S., July 14, 2016. REUTERS/Carlos Barria

Democratic U.S. presidential candidate Hillary Clinton and U.S. Senator Tim Kaine (D-VA) wave to the crowd during a campaign rally at Ernst Community Cultural Center in Annandale, Virginia, U.S., July 14, 2016. REUTERS/Carlos Barria

Democratic U.S. presidential candidate Hillary Clinton and U.S. Senator Tim Kaine (D-VA) wave to the crowd during a campaign rally at Ernst Community Cultural Center in Annandale, Virginia, U.S., July 14, 2016. REUTERS/Carlos Barria

July 22, 2016 8:30 PM (UTC+8)