bridge Cleveland decay girder girders iron metal Ohio oxidation oxide railroad rivet rivets rust rusted rusting rusty steel corrosion stain texture abstract background board Dirt dirty door old paint painted painting plank red saavem urban wood wabi sabi wabisabi announcement aware awareness communicating communication direction directions enter entrance entry information informative informing observant observe regulations rules security sign visitors white wooden deteriorating deterioration discoloration empty exposed external frame memorial monument neglected plate shadow shadows sunlight textures wear weathered worn amunition army artillery attack bomb bombshel bullet danger explosion explosive heavy military misfire missile war weapon black burst chap crack fissure fracture oil paint pattern split tin tinware border brown copy space fence gray orange design wall