Zhao Zhuxuan

From the rammed earth of the Sui and Tang dynasties to the bricks of the Ming Dynasty, from the devastation of the war to today's rebirth, the Xi'an city wall, which stretches for 74.0 kilometers, maintains a solemn appearance in the passage of time. Emerging from the smoke of war, it is now integrated into the "breath" of the modern city in another way in the concept of protection that keeps pace with the times.

Protecting the city wall is never a simple matter of tinkering, but a race against time and an innovation of ideas. Once upon a time, the walls were cold masonry. Today, it is a "living museum", a public cultural space for citizens, and a window for visitors to touch history. This transformation stems from the protector's redefinition of "protection" - not to seal it, but to make it shine in the times.

The wall covers more than 8000 monitoring points and establishes a preventive protection system; The integrated management platform of Xi'an City Wall Digital Shelter has been established and operated to monitor the changes of the city wall at all times; The unmanned cleaning boats in the moat carry out cleaning work at regular points to ensure that the river water is clear...... Today, the "Guardians of the Walls" protect the walls with intelligent means.

The blessing of science and technology must be integrated into the temperature of humanity after all. When night falls, the suspension bridge at the south gate slowly falls in the music of "Dream Chang'an - Tang Dynasty Welcome Ceremony", the sonorous pace of the "Golden Armor Samurai" is intertwined with the amazement of tourists, and the honor guard of the Tang Dynasty "crosses" time and space, reappearing in light and shadow; Elderly people exercising in the morning do Tai Chi in the shade of the Huancheng Park, photographers use time-lapse lenses to capture the "dialogue" between the city wall and the morning glow, and young people share the dazzling ...... of the city wall lantern festival on social platforms

From former military barriers to today's world-class cultural treasures, from historical sites to urban public cultural spaces, ancient traditions and modern fashions coexist in bricks and stones.

The real protection is to make cultural relics the beating "heart" of the city, rather than a lonely specimen in a museum; The best protection is to let the cultural relics "live in the present" and let history illuminate the future.