1. Introduction
  1.1 Background and significance
  1.2 Research objectives
2. Literature Review
  2.1 Cultural heritage preservation: Importance and challenges
  2.2 Role of architecture in cultural heritage preservation
  2.3 Case studies of successful preservation projects
3. Methodology
  3.1 Research approach
  3.2 Data collection and analysis
4. Analysis of Case Studies
  4.1 Case study 1: Preservation of a historic building
  4.2 Case study 2: Adaptive reuse of a cultural site
  4.3 Case study 3: Restoration of a heritage district
5. Evaluation of Preservation Techniques
  5.1 Assessing the effectiveness of architectural interventions
  5.2 Identifying challenges and limitations