The Munsong cinchona plantation, Kalimpong, Bengal, India: Cinchona succirubra trees (used in production of the anti-malarial drug quinine); a plantation worker stands in front of the trees holding a large container. Photograph, 1905/1920 (?).

Licence: Public Domain Mark

Credit: The Munsong cinchona plantation, Kalimpong, Bengal, India: Cinchona succirubra trees (used in production of the anti-malarial drug quinine); a plantation worker stands in front of the trees holding a large container. Photograph, 1905/1920 (?). Wellcome Collection. Source: Wellcome Collection.