1. Discuss the reasons why historical cities attract tourists and residents, such as their cultural heritage, architecture, and historical significance. 2. You can also mention personal experiences or general observations about the popularity of historical cities.

1. 討論歷史城市吸引遊客和居民的原因，例如其文化遺產，建築和歷史意義。 2. 您也可以提及個人經驗或對歷史城市受歡迎程度的一般觀察。