In the heart of Pingyao, an ancient city stands as a testament to ingenious engineering and sustainable design. The city wall, a prominent feature of Pingyao's landscape, was thoughtfully constructed to be a living, breathing structure.
Over the centuries, only the outer face of Pingyao's city wall has been covered with bricks. This outer layer provided the necessary strength and protection, while the interior is composed of rammed earth. This unique combination was not just for durability; it was a deliberate design choice to facilitate the flow of fresh air.
The dry climate of Pingyao posed a significant challenge. A fully brick wall would have restricted airflow, making it difficult for residents to breathe comfortably. By incorporating rammed earth on the inside, the wall allows for natural ventilation, ensuring that the inhabitants benefit from a steady supply of fresh air without compromising the wall's structural integrity.
This ancient architectural marvel highlights how traditional practices can inform modern sustainable building techniques. Pingyao's breathable city wall not only preserved the city's heritage but also offers valuable lessons in creating environmentally friendly and resilient structures for the future.
Reference(s):
cgtn.com
