@Tuomo L I have real problems with that water. The ground where you have placed it is higher than anywhere else. Normally it would, therefore, be running down to the lower level, but it's not. One end is blocked by a wall, the other by the cliff. (I've also got problems with the varying heights of the cliffs top right hand section, but that's a different issue.) If it is not running away anywhere, and not flooding, it must be totally stagnant. But it clearly isn't, the plants look healthy, the colour is good etc. So there is a blatant contradiction in the visual information that I'm being given.
For a long forgotten ruin, there is a remarkable lack of fallen leaves, general jungle debris, moss on the walls etc. It looks more like a carefully preserved site. The top of the arch over the stairs has collapsed - where is the fallen stone? The same question for the broken statue behind the blond sprite.