The restoration of Nan Museum faces criticism for its alien to the traditional architecture. The three-year refurbishing cost  34.8 million baht. Published caption : The Nan National Museum was originally a residence of Phra Chao Suriyaphong Pharitdet, the Phra Chao Nakhon Nan (ruler of Nan city), who built it in 1903 as a two-storey brick and concrete house.