Xi'an is home to one of the most well-preserved ancient city walls in China. The Xi'an City Wall dates back to the Ming Dynasty and stretches over 13 kilometers in length. Walking or cycling along the wall provides a unique perspective of the city and offers panoramic views of the surrounding area. The wall is also adorned with watchtowers, gates, and battlements, adding to its historical charm. Exploring the City Wall is a must-do activity in Xi'an, allowing visitors to immerse themselves in the city's ancient past while enjoying the beautiful scenery.