Beijing, May 21 (Youth.cn) - On May 20, 2025, the iconic Vairocana Buddha at Fengxian Temple, centerpiece of Luoyang's UNESCO-listed Longmen Grottoes, stands enveloped by a steady stream of pilgrims and sightseers. As the first summer heat descends, this 1,500-year-old sandstone gallery witnesses another tourism season. Photo/CFP