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Photo: Zupernice, CC BY-SA 4.0 via Wikimedia Commons
Just north of the central zone, the Wat Phra Phai Lung group of monuments stands on an area surrounded by a moat 600 m long on each side. The group of structure consists of several monuments constructed over different phases and provides an insight into the evolution of Sukhothai art and architecture.The oldest monument in the temple are 3 buildings constructed in prasad form (imitated Hindu Shikhara Vimanas) out of which only 2 stands to this day.
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Thai: วัดเตาทุเรียง
Thai: วัดแม่โจน
Thai: วัดตระพังป่าน
Thai: วัดศรีชุม
Wat Si Chum complex is north west of the central zone and south west of Wat Phra Phai Luang. It is known for its giant Buddha statue known as Phra Achana (Buddha who is not afraid) and Phra Poot Dai (speaking Buddha).
Thai: วัดสังฆาวาส
Thai: โบราณสถานวัดซ่อนข้าว
This lotus bud shaped chedi (stupa) is just south of the north gate (Sanluang). There is no stone inscription and nothing mush is known about the history of the temple. Wat Son Khao might have been part of the Wat Sorasak. It was restored in 1965 by the Fine Arts Department.