Thailand: The Chinese-style Phra Thinang Wehart Chamrun (Heavenly Light Palace), in the grounds of Bang Pa-in Palace, Bang Pa-In, Ayutthaya Province. The palace, also known as the Summer Palace, is a palace complex formerly used by the Thai kings. It lies beside the Chao Phraya River. King Prasat Thong constructed the original complex in 1632, but it fell into disuse and became overgrown in the late 18th and early 19th centuries. King Mongkut restored the site in the mid-19th century. Most of the present buildings were constructed between 1872 and 1889 by King Chulalongkorn.