wall fungus texture on rainy day in bangladesh

abstract asexual background bangladesh building called caused close closeup color compartments connected crosswalls damp day delimit detail dirt dirty dusty filaments form fungus green grow grows growth grunge house hyphae interior macro many material may mildew moisture mold molds moldy moss mould multicellular natural old pattern production profuse rainy rough rust rusty scratch septa stone surface texture textured that wall white