painted in light pastel blue metal surface with cracks, craquelures and rust. background, structure.

abstract aged ancient art backdrop background backgroundrusty battered blue bright brush closeup color colorful coloring corroded corrosion cracks craquelures damage dark dirty effect grunge hard heavy iron light long material messy metal metallic multicolor natural nature old paint painted palette pastel retro rough round rust rusted rusty scratched small spots stained streaks stroke strokes structure surface technique texture textured toughness vintage wall weathered worn