water tank system consisting of four black plastic water tanks

water tank system consisting of four black plastic water tanks. Two tanks are positioned on an upper level, supported by a red metal frame. On top of these upper tanks are several pigeons. Two additional tanks are situated on a lower level, also supported by the red metal frame. White plastic pipes connect the tanks. Behind the tanks is a wall with a few houses partially visible. The sky is overcast. The camera is positioned low, looking up at the structure. There's some green vegetation in the foreground.