A plague of sheep

I remember this, though I haven't seen the picture for maybe thirty years. We were trecking through the Pyrenean countryside in Catalunya, when all of a sudden they appeared; the most sheep I have ever seen in my life in one flock. There was almost something Biblical about it. Our jaws truly dropped.  All you could do was to stand and gawp.
Technical note. The sheep in this shot would have been pink, had I not fixed them in monochrome.