“…While these diverse elemental contexts are subject to territorialization processes, they do not acquiesce willingly, being constituted of dimensions, textures and intensities that cannot be wholly comprehended or controlled by a central authority. Scholarship on the vertical, and increasingly, volumetric dimensions of territory has stretched analysis to the heights and depths of territorial space, from the atmosphere to the subterranean (Braun, 2000; Elden, 2013b; Squire and Dodds, 2019; Williams, 2013). As Graham (2016: 3) contends, theorization of territory has been undermined by ‘“flat” geographic thinking’, neglecting, and more seriously, obscuring the vertical dimension of power through which sovereignty is increasingly exercised, ‘above, below and around borders’ (see also Billé, 2019).…”