1. Changle Weiyang, a Chinese idiom whose pinyin is cháng lè wèi yāng, means long-lasting joy that will never end.
2. Origin of the idiom
Han Dynasty Changle Weiyang tile, with a surface diameter of 17.5 cm. The near side wheel is decorated with a convex edge, and the inner circle has a large protruding nail. The double-line border divides the front into four areas, with the four characters "Chang Le Weiyang" in Yangwen seal script placed between them.
"Jinshisuo·Han Changle Palace Tiles": "'Changle Weiyang', this is the Changdong Palace Tile."