Continued from previous page. Top left panel: G45.07+00.13, color image indicates the intensity of ¹³CO (J = 1 − 0) emission integrated over 45 <V_LSR< 75 km s^-1, contours are 870 μm continuum emission, with levels of 0.2, 0.5, 1, 3, 5 and 7 Jy beam^-1. Top right panel: G045.45+00.05, color image indicates the intensity of ¹³CO (J = 1 − 0) emission integrated over 45 <V_LSR< 75 km s^-1, contours are 870 μm continuum emission with levels of 0.2, 0.5, 1, 3, 5 and 7 Jy beam^-1. Bottom left panel: W51 star-forming complex, color image indicates the intensity of the ¹³CO (J = 1 − 0) emission integrated over 50 <V_LSR< 75 km s^-1, contours are 870 μm continuum emission with levels of 0.5, 1, 3, 5 7, 10, 20, ..., 70 Jy beam^-1. Bottom right panel: G052.10+01.04, color images indicates the intensity ¹³CO (J = 1 − 0) emission integrated over 38 <V_LSR< 46 km s^-1, contours are 870 μm continuum emission with levels of 0.2, 0.4, 0.6, 0.8, 1.0 and 1.2 Jy beam^-1.