Dan heads into the mountains of the Sarychat Nature Reserve with a real adventure scientist, to see what snow leopard conservation means to the people who live in these remote regions, and to see what it takes to gather data on an almost invisible big cat. Subscribe: bit.ly/BBCEarthSub Join BBC Earth as we mark Earth Day 2021 with a closer look at the beauty and fragility of our planet, inspecting the impact certain species have on specific ecosystems that help to balance this world. For more, head over to BBCEarth.com/earthday Dan O’Neill: Director and Presenter Chris Beard: Director of Photography. With thanks to Dr Dale M. Kikuchi of Tokyo Institute of Technology & Dr Kodzue Kinoshita of Kyoto University for the use of their camera trap footage. With thanks to Dr Dale M. Kikuchi of Tokyo Institute of Technology & Dr Kodzue Kinoshita of Kyoto University for the use of their camera trap footage. And to Dr Koustubh Sharma, Snow Leopard Trust and Kubanychbek Zhumaba...