Si Thep, a UNESCO World Heritage site in Thailand’s Phetchabun province, inscribed in September 2023, is an ancient twin-town settlement from the Dvaravati Empire (6th–10th centuries CE). Located 340 km north of Bangkok, it features an Inner and Outer Town with moats, the massive Khao Klang Nok monument, and the Khao Thamorrat Cave, showcasing a blend of Indian-influenced architecture and the distinctive Si Thep School of Art. As Thailand’s seventh UNESCO site, this 1,500-year-old complex highlights its historical role as a trade and religious hub, reflecting cultural diversity through Buddhist and Hindu influences amidst a scenic mountainous backdrop.

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