succession of door openings in a roofless fort in ruins

adjacent africa arched architecture background beauty branches broken brown chamber colour coloured complex connecting crumbling daytime decay dilapidated door doorways entrances environment foliage fort glow grunge historic infinity inner light mortar old openings perspective pretoria red remnants robust roofless rooms rough ruins rust sky south stone strong structure succession successive sunlight surface texture tree view vintage visible wall walls weathered weeds wonderboom