旧街老巷已荒凉古城物事已人非
[jiù jiē lăo xiàng yĭ huāng liáng gŭ chéng wù shì yĭ rén fēi]
This phrase evokes nostalgia and melancholy, describing how old streets and alleyways have become desolate, and the city's old affairs are now different from what they used to be. It signifies change and loss over time.