Q.-H. Zhang, Y.-L. Zhang, C. Wang, M. Lockwood, H.-G. Yang, B.-B. Tang, Z.-Y. Xing, K. Oksavik, L. R. Lyons, Y.-Z. Ma, Q.-G. Zong, J. I. Moen, and L.-D. Xia, Multiple transpolar auroral arcs reveal new insight about coupling processes in the Earth’s magnetotail, EGU General Assembly 2021, Online, April 19-30, 2021.