Beijing, June 1 (Youth.cn) -On June 1st, 2023, in Qingdao, the Xiaozhushan scenic area in Huangdao District was shrouded in clouds, creating a breathtaking sight. On that day, a drone flew through the sea of clouds, capturing the image of the main peak of Xiaozhushan at an altitude of 724.9 meters amidst the cloud sea.