woods on rocks.. - ..or whatever is left behind

...after a harversting machine (probably a Ponsse) has "harvested" the "field". At first sight such clear-cut part of the woods may look a bit bold and boring - but with a closer look you'll discover the diversity of species that covers the ground - moss and grass cover most of the rocks, bugs, butterflies and birds populate the field - and the young trees begin growing between the leftover roots of the cut down trees...