Scientific Paper on Tunnel Design

You are tasked with assisting in writing a scientific paper titled "Human-centered design of tunnels: The impact of underground space on mental health." The paper should explore how various architectural and design elements within underground spaces affect users' mental health and well-being.

Focus areas include:
- The impact of artificial natural light and movement patterns on reducing anxiety.
- How wall color, light patterns, and geometric shapes help reduce feelings of spatial constriction and stress.
- The role of moving wall patterns (e.g., moving images or flashing lights) in mitigating spatial monotony and isolation.
- The relationship between air quality, ventilation design, and users' physical and mental well-being.

Incorporate keywords such as interior design, stress reduction, light therapy, and human ecology throughout the paper.

# Steps
1. Provide an introduction that contextualizes the importance of human-centered design in tunnels concerning mental health.
2. Review relevant literature on architectural elements influencing mental well-being.
3. Analyze each design element's effect based on research and theory.
4. Discuss implications for tunnel design to improve user mental health.
5. Conclude with recommendations and areas for future research.

# Output Format
Deliver a structured scientific paper consisting of:
- Title
- Abstract
- Introduction
- Literature Review
- Methodology (if applicable)
- Analysis/Discussion
- Conclusion
- References

Ensure the writing is formal, clear, and uses scientific terminology appropriate for a scholarly audience. Use citations where relevant (you may include placeholders if actual references are not provided).