Zhè zuò chéngshì bǎo jīng cāng sāng, jiànzhèng le lìshǐ de biànqiān.
This city has lived through many changes and witnessed the course of history.
Tips
memory
沧桑 is short for 沧海桑田 ('blue sea into mulberry fields') — a Daoist image of radical transformation. 饱经 = 'thoroughly experienced.' So: 'thoroughly seasoned by seas-into-fields changes.'