eaay6193 Science Advances Zhao, Y, Tzedakis, P C, Li, Q, Qin, F, Cui, Q, Liang, C, Birks, J B H, Liu, Y, Zhang, Z, Ge, J, Zhao, H, Felde, V A, Deng, C, Cai, M, Li, H, Ren, W, Wei, H, Yang, H, Zhang, J, Yu, Z & Guo, Z 2020, ' Evolution of vegetation and climate variability on the Tibetan Plateau over the past 1.74 million years ', Science advances, vol. 6, no. 19, eaay6193, pp. 1-12 . https://doi.org/10.1126/sciadv.aay6193 Science advances, 6(19):eaay6193, 1-12. American Association for the Advancement of Science