https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13991247
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 .
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use