Figure 11. Velocity field maps show the downslope movement rates of rock glaciers of different categories including a DMS-RG outlined in orange (ID: wkl214), a G-RG in green (ID: wkl062) a GF-RG in purple (ID: wkl141), and a T-RG in pink (ID: wkl164). Their IDs and coordinates of central locations are labelled beside the landforms. The dates on the upper-left corners show the time spans of the velocity measurements. The background maps are Sentinel-2 images acquired in July of 2018.