Small brook, blackbird, fly, birds, 2 different sounds of the brook (on the left, a deeper "meander" and on the right another shallower one, so I put myself in the middle!). Forest of Signy-l'Abbaye (Ardennes). UCS Category: AMBForst. Duration: 03:49.
Sound of a small electric drill on battery. It is equipped with a concrete bit, and drills concrete. Two drill strokes each followed by a removal of the bit, then the machine is turned off. UCS Category: TOOLPowr. Duration: 00:41.