WATCH: More than 300 hot-air balloons rise to rhythm of the rising sun

Around 320 hot-air balloons become airborne over the Chambley-Bussieres airbase after an attempt of 'Great Line', during the 17th international hot air balloon meeting "Grand-Est Mondial Air Ballons" in Hageville, northeastern France, on July 25 , 2021. (Photo by JEAN-CHRISTOPHE VERHAEGEN / AFP)