This study uses a deterministic approach to evaluate the factor of safety (FS) of the terrain for different hydrological conditions. in part of Indian Lesser Himalaya. The results indicate sudden increase in the percentage unstable area from 7. 5% to 13. https://hlarfszwqj2up.dsiblogger.com/67920466/urban-commercial-space-vitality-evaluation-method-based-on-social-media-data-the-case-of-shanghai