The suggester said: "I find this piece exhilarating to look at. The bright colors, the vivid settings, the attention to detail, together form an impressive panorama that must've taken a great deal of determination to complete." (
Suggested by MrPersonGuyMan and Featured by
technically, GLaDOS' chamber (and the test site above her) would be below the housing (with both testing sites connected together), and above the gel flow. between the gel flow and GLaDOS' chamber, there should be the disposal area with molten lava and stuff..
Wait, I just realized something.... if, as I have concluded from Chell and Wheatley's locations, this picture is set after Chell escapes, why is GLaDOS sweeping out her lair? It was already clean and plant-free at the end of Portal 2!