protection of urban buildings and wall through feces of pigeons.

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