English: Highland cattle on Folly Bog. Folly Bog is an area that lies between the northern edge of the Pirbright Ranges danger area and Red Road. Although owned by the MOD it is cared for by the Surrey Wildlife Trust. As an experiment and in order to help the boggy conditions to revive, the Trust has brought in a herd of Highland cattle to keep the invasive scrub under control. So far, according to the rangers, the experiment seems to be working well, tender birch shoots seeming to be very much to the cattle's liking. The boggy conditions can be seen in the foreground (and around the photographer's feet!). Pity about the overhead power lines.