laptop computer displaying a graphic medical presentation on a table in a classroom in Guang Zhou Shi, China at 23

laptop computer displaying a graphic medical presentation on a table in a classroom in Guang Zhou Shi, China at 23.188 latitude and 113.329 longitude. The presentation depicts two graphic images of wounds to the neck, each labelled "Hesitation or tentative injuries". The screen is positioned to face the audience and occupies the majority of the image. A white projector screen is visible in the background, displaying a smaller image of a similar wound with the text "Tentative injuries are not essential" written on the right side. The room's ceiling is white with rectangular lights, and a digital clock displaying the time 10:59:35 is visible on the left side. There is a door leading to a corridor on the lower right side. No people are visible in the image.