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Fig. 1.


Three-colour image (red: ATLASGAL 870 μm, green: Hi-GAL 250 μm, blue: Hi-GAL 70 μm) of the G351 complex. Contours of the ATLASGAL images are also indicated in grey (0.15, 0.5, 1.5, 5 Jy beam−1). Clumps 2, 5, and 7 are indicated in red. In the top-left corner we list the clumps from the least- to the most evolved, and the species we observed in each source.

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