abstract angles appearances Camouflage camouflage-netting cover decorative defence defending disguise disguised display emplacement military open-air surface surfaces texture textured textures thick thin old remnant war world-war friendship heart love shape symbol valentines. army background green grey pattern amphibian animal animals bark frog India krayker Tree frog concealed covered fabric hidden hide netting protected secret air force armored car armoured car car Portuguese vehicle bird bulrushes lake loon nest ceramic decoration garden leopard draw urban guerrilla urban war vector