strange !! the main light from upper right do not create hard shadow on the model and the hard shadow of the elbow projected on the model is come from opposite site of the main light (up right). The all shadow of the model (the elbow) and on the street is look like come from the upper left of the picture, but at the upper left of the picture no hallo of the source light is present. and all wall shadow ofthedamagedplasterwallalsocomes from thetop rightand not from the top leftlight.