http://digitalnatura.org/details.php?image_id=31784 Fri, 17 Apr 2026 08:30:58 GMT http://digitalnatura.org/data/thumbnails/4/361Q5434.jpg http://digitalnatura.org/details.php?image_id=31784 http://digitalnatura.org/details.php?image_id=31784#comment25193 Fri, 03 Apr 2015 08:05:07 GMT DigitalNatura.Org - Anells de creixement dels roures. http://digitalnatura.org/details.php?image_id=31784#comment25193