At any time several styles may be fashionable, and when a style changes it usually does so gradually, as architects learn and adapt to new ideas.
S alwaq fuk išikilan ajjotnen addoben ad aɣnin tolas alwaq wa id ammutăy išikil , alwaqqan iyyad itaj awen sollan fal as albănna tan aɣran tols ijjrăwan ta-ite teynăyat