Underneath the black plastic sheet lies dark muddy earth. Lift the sheet, slide it off and there, blinking in the sunlight are thousands of tiny creatures whose worlds are so much smaller than ours. They like the dark, so unnoticed by our large-focusing eyes, they burrow swiftly below the surface. So far underground, it seems to them, but to us it is a centimetre or so. One or two giants amongst them, scuttle away: two woodlice trundle in opposite directions – dinosaurs in our short modern times. A millepede wriggles and winds away – a scary, fiddly monster, and suddenly… there’s nothing there to see… or so we think…