Which country city that left over?

The country with leftover cities from a bygone era is Yemen. This region of the Middle East, home to one of the oldest extant human civilizations, houses ancient remains dating back thousands of years. Here are two notable examples of historical cities left over from earlier times:

1. Old City of Sana'a:

- UNESCO World Heritage Site with unique ancient architecture

- Preserved multi-story mud-brick buildings known as "tower houses"

- Vibrant cultural experience

2. Ancient City of Shibam:

- Known as the "Manhattan of the Desert"

- UNESCO World Heritage Site showcasing 16th-century multi-story buildings

- Constructed for defensive purposes in a harsh desert environment