Interactive volume rendering of s _x from L20 in the second quadrant above the Galactic plane, as in Figure 7 but highlighting low-density gas (see text). Annotations follow Figure 7. In addition, orange dots show the xyz positions of OB stars in this volume from Pantaleoni Gonzalez et al. (2021) (Section 4.3).

An interactive version of this figure is available in the online journal.