Licence: Public Domain Mark
Credit: Rocks in interior, Hong Kong. Photograph by John Thomson, 1868/1871. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0056725/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Rocks in interior, Hong Kong. Photograph by John Thomson, 1868/1871. Wellcome Collection. Source: Wellcome Collection.