Acknowledgments
The authors acknowledge the support of iDiv funded by the German Research Foundation (DFG FZT 118, 202548816), specifically funding through sDiv, the Synthesis Centre of iDiv. We thank sDiv members, specially Roberto Rozzi, Alex Zizka and Juan Carvajal for lively discussion during this project. We thank Dries Bonte and Fons van der Plas for their useful comments and feedbacks on a previous version of this manuscript.
Map author: By Petr DlouhĂ˝ - World Map Blank.svg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=984944