Why does Changsha Orange Island set off fireworks on May 11?

Cooperate with activities. On May 11, 2023, the World Tourism Cities Federation Changsha Xiangshan Tourism Summit was held in Changsha. This is the first high-profile international conference that Changsha has welcomed since the full resumption of inbound tourism. In conjunction with the event, the Orange Island fireworks are a good display . Changsha City is a prefecture-level city and provincial capital city under the jurisdiction of Hunan Province, China. It is located on the lower reaches of the Xiangjiang River in the northeastern part of Hunan Province, with a total area of ??11,818 square kilometers.