Overlay of the IRAC emissions at 8 μm (in red) and 3.6 μm (in green) and the LABOCA emission at 870 μm (in blue). Positions of identified YSOs are indicated with squares in different colors: Class I (red) and Class II (blue) sources from the WISE database, Class I (yellow), Class II (white), and Class I/II (green) sources from the Spitzer database, 2MASS sources (cyan), and MSX sources (magenta). Dust clumps from Contreras et al. (2013) are indicated.