《水经注·卷三》
宫殿西北是馄煌堂，楹柱方椽都精雕细琢，模仿古时的温室殿。
殿之西北，使得焜煌堂，雕楹镂桷，取状古之温室也。
The Xunguang Hall, on the northwest side of the palace, has intricately carved square pillars and rafters, which imitate the style of the Wen Shi Dian from ancient times.