figure 8 is the picture of a HyperMirror image that students were painting a picture.As stated above,it is difficult for HyperMirror to zoom in participants and or materials.By contrast,Figure 9 is the picture of a standard video camera image.Unlike the HyperMirror video camera image, the standard video camera allows participants to focus on what they want to shoot.In other words,if participants want to show details of what they are working on,it is necessary to switch to the standard video camera image as necessary