ICOMOS experts led by Prof. Dr. Sharif Shams Imon conducted the first day of on-site assessment in Chiang Mai on August 4, examining the historic city's moat, walls, and ancient water management system spanning three temples (Wat Chiang Mun, Wat Chedi Luang, Wat Phra Singh). The assessment focuses on Chiang Mai's Outstanding Universal Value as a "Living Heritage" city with 730 years of continuous cultural transmission. Local authorities confirmed full readiness and collaborative preparation, with experts showing particular interest in the city's ancient water diversion system and urban planning framework.