VELIKIE LUKI, June 13, 2016 (Xinhua) -- A hot air balloon rises during the 21st international balloonists rally in Velikie Luki, Russia, June 13, 2016. (Xinhua/Pavel Bednyakov)
VELIKIE LUKI, June 13, 2016 (Xinhua) -- A hot air balloon rises during the 21st international balloonists rally in Velikie Luki, Russia, June 13, 2016. (Xinhua/Pavel Bednyakov)