There were a few points to note when describing ancient architecture: 1. Building structure: The unique structural forms and construction techniques of ancient buildings require careful observation and description. For example, it could describe the architectural form, roof, walls, foundation, and other technical details of ancient buildings, as well as their construction principles and materials. 2. Building style: The architectural styles of ancient buildings were varied and needed to be differentiated according to different eras and regions. For example, he could describe the style and characteristics of ancient buildings such as the Chang 'an City Wall of the Tang Dynasty and the Weiyang Palace of the Han Dynasty. 3. Decorations and details: The decorations and details of ancient buildings are often very beautiful and need to be described carefully. For example, it could describe the decorative elements of ancient buildings such as carvings, paintings, murals, and various details in the building such as windows, doors, corridors, etc. 4. Historical and cultural value: Ancient buildings not only have the artistic value of the building itself, but also have a strong historical and cultural value. Therefore, when describing ancient architecture, it was necessary to highlight its historical value and cultural heritage. 5. Ambience and feeling: When describing ancient architecture, you need to consider its atmosphere and feeling. For example, it could describe the environment of the ancient buildings, the surrounding landscape, the aura emitted by the buildings, etc., so that the readers could feel the unique charm of the ancient buildings. To sum up, describing ancient architecture requires careful observation and description of the structure, style, decoration and details of the building from many aspects. It also highlights its historical value and cultural heritage in combination with historical and cultural background to make readers feel the unique charm of ancient architecture.