777 drones put on an amazing light show at Orange Isle in Xiang River, Changsha, Hunan Province, China on August 10.
This serves as part of celebrations for the upcoming Qixi or "Double Seven" Festival. Also known as "Chinese Valentine's Day", the annual festival celebrates a story from ancient Chinese mythology.
Link: 刷爆朋友圈！长沙再次惊艳世界