A sedated rhinoceros lies unconscious as professor James Larkin (R) from the University of the Witwatersrand's Radiation and Health Physics Unit (RHPU) uses a can of identification spray (DataDot) after carefully implanting dosed and calculated radioisotopes into it’s horns along with other Rhisotope Project members at an undisclosed location in the Waterbury UNESCO biosphere in Mokopane on June 25, 2024. (Photo by Emmanuel Croset/AFP Photo)
