protection of urban buildings and wall through feces of pigeons.

iron furniture wood wall ceiling handrail room window lighting floor stairs shelf glass door facade animal apartment attached beige bird building cleaning columba dirty dove expelled feces flying hand hedgehog historical install installation installing landing ledge metal nest obstacle open palumbus pigeon plaster protect protection roofing sharp showing sidewalk sit spiked spikes stick stop stucco thorns tin tinning uninvited urban wire wires yellow buildings pigeons