変遷 (hensen)

久しぶりに訪れた故郷は著しく変貌していた. When I visited my hometown after a long absence, I found it quite different from what it had been in my memory.しかしながら、時代の変遷とともに手の込んだ異様な様の演出に変貌した。

However, over time, it changed into elaborate bizarre performances.