Khun Ampai Commercial Building Formerly, it was the old house of Khun Ampai Panich. with Mrs. Ampaipanich, wife, an old baron from Sisaket Constructed in 1925 by Vietnamese (Vietnamese) and Chinese craftsmen, the building is influenced by both Vietnamese and Chinese art and architecture. The people of Sisaket commonly called Khun Ampai Building. It is outstanding in art. Architecture and History The Fine Arts Department has therefore announced its registration as a nationally important historic site.