I think small detail props such as random trash/paper laying around and floating would be awsome. It bothers me how the background is just empty even though it's not the focus of the render. It just pulls you away from the environment as a whole. You have pallets down there but they are just randomly there. Add more to…
the pose of the robot itself looks pretty odd, he seams to be floating there, with not all of his legs touching the ground. The water there doesnt really help, because its hard to tell how deep it is, and it makes the leg in the water look totally disconnected, or like he's falling? overall everything but the robot is too…