large brick-built compost heap in various stages

yard wood waste vegetable undefined tree soil shells seafood scraps rotting rotten recycling recycle produce plant pile peel outdoors organic nature natural meat meal leaf kitchen humus household homemade heap growth green gardening garden garbage food flower fish fertilizer fertilize environmental environment eggs egg ecosystem ecology earth dish dirt decompose cuisine composting composter compost coffee bricks brickbuilt biodegradable bio backyard autumn agriculture wall track stonewall rock pond iron grave geology asphalt