360 hdri panorama in abandoned interior of large empty room as warehouse or hangar with windows with dampness and black-green mold

360 abandoned area background basement blackgreen building bunker ceiling corridor damp dampness degree dirt dirty empty environment equirectangular fungus gallery garage green hall hangar hdr hdri inside interior large map mildew moisture mold moldy mould panorama panoramic place room seamless space spherical staging stains surface virtual wall warehouse windows