The "wall" at the back of the above photo is made up of growth hanging from green plants. You can see a little better if you just click on the photo. (Then click the "back" arrow at the upper left side of your screen.)
One last look at Singapore, and the ships and barges, sitting, waiting their turn to unload their goods for the residents and businesses of Singapore.
Oooh, I love sights like this!! Where else could you stare out a window, look DOWN, and see cloud formations like this??