藻井由来已久。早在2000多年前的汉代墓室顶上,就已有了藻井装饰。藻井通常位于室内的上方,呈伞盖形,由细密的斗栱承托,且一般都绘有彩画等。那么,古人为何要造藻井呢?仅仅只为装饰吗?事实并非如此。据《风俗通》记载“:今殿作天井。井者,东井之像也。菱,水中之物。皆所以厌火也。”“东井”即二十八宿 Algae wells a long time. As early as 2,000 years ago, the tomb of the Han Dynasty on top, there have been caisson decoration. The caverns are usually located at the top of the room and are covered with canopies and are supported by the delicate pouches. So, why did the ancients make caisson wells? Just for decoration? This is not the case. According to “custom pass” records “: this hall for the well. Well, like the East wells. Ling, water things are so misogyny too. ” “East well ” that twenty-eight places