1. Alexander A, Catanese A (2014) Conservation of Leh old town: concepts and challenges. In: Bue L, Erberto F, Bray J (eds) Art and architecture in Ladakh: cross-cultural transmissions in the Himalayas and Karakoram. Brill’s Tibetan Studies Library, Leiden, pp 348–363
2. Barthes R (1981) Camera lucida: reflections on photography. Hill and Wang, New York
3. Bergold J, Thomas S (2012) Participatory research methods: a methodological approach in motion. Forum: qualitative. Soc Res 13:Art. 30
4. Beurskens K, Miggelbrink J, Meyer F (2018) Ins Feld und zurück: Begegnen, sich positionieren, entscheiden. In: Meyer F, Miggelbrink J, Beurskens K (eds) Ins Feld und zurück - Praktische Probleme qualitativer Forschung in der Sozialgeographie. Springer Berlin Heidelberg, Berlin/Heidelberg, pp 1–12
5. Bowen GA (2009) Document analysis as a qualitative research method. Qual Res J 9:27–40. https://doi.org/10.3316/QRJ0902027