Beijing, May 12 (Youth.cn) - On May 11, 2025, under clear skies, families flocked to the Grand Canal Hanggang Park in Hangzhou, Zhejiang Province, where children gleefully splashed in the park’s Quenching Reflection Pool - a repurposed industrial site turned aquatic playground. The timing coincided with the Hangzhou Meteorological Bureau’s official announcement that the city would enter meteorological summer on May 12. Photo/CFP