Stock photography picture of A wormery for observing the life of worms NOT composting

AYKNWT - Licenced Caption A wormery for observing the life of worms NOT composting Description A wormery for observing the life of worms NOT composting. The wormery is filled with alternate layers of soil and sand given a SMALL amount of water and then worms are put on top with some grass leaves peelings.The worms make tunnels which you can see.For example go to AXA1TP Keywords wormery, study, worm, recycle, education, layer, soil, observe, tunnel, sand