![Balloons are lit by their gas burners during the Czech Hot Air Balloon Championship near the town of Uherske Hradiste, Czech Republic, Aug. 31, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/09/03/dd6a80ec8da24a03a2177f518d1e0a28.jpg)
Balloons are lit by their gas burners during the Czech Hot Air Balloon Championship near the town of Uherske Hradiste, Czech Republic, Aug. 31, 2018. (Photo/Agencies)
![A participant prepares his balloon during the Czech Hot Air Balloon Championship near the town of Uherske Hradiste, Czech Republic, Aug. 31, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/09/03/c611a122ac134ce4bf121834cf388136.jpg)
A participant prepares his balloon during the Czech Hot Air Balloon Championship near the town of Uherske Hradiste, Czech Republic, Aug. 31, 2018. (Photo/Agencies)
![Balloons are lit by their gas burners during the Czech Hot Air Balloon Championship near the town of Uherske Hradiste, Czech Republic, Aug. 31, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/09/03/f97a7ea03b7a421489ff9e6448d4aaa8.jpg)
Balloons are lit by their gas burners during the Czech Hot Air Balloon Championship near the town of Uherske Hradiste, Czech Republic, Aug. 31, 2018. (Photo/Agencies)