Bipolar nebula G316.80–00.05. Panel a: composite colour image of the G316.790-0.045 complex: red, green, and blue indicatethe Spitzer 24 μm, 8.0 μm, and 4.5 μm data, respectively (the 24 μm emission is saturated in the centre). Panel b: composite colour image of the complex: red is for the Herschel 250 μm emission showing the cold filament at the waist of the nebula, green is for the 8 μm PAH emission, blue is for the 4.5 μm stellar emission. The three bubbles listed in the (Churchwell et al. 2006) catalogue are identified.