Nodding donkeys

Pumps on wells at Wytch Farm. This is Europe's largest known onshore oilfield in one of the most environmentally sensitive areas of the UK. Its operations are on the southern shores of Poole Harbour, Furzey Island, Wareham and at Kimmeridge Bay. Perenco UK Limited took over the operation of the oilfield in December 2011. It is currently producing 19,000 barrels of oil equivalent per day (crude oil, liquid petroleum gas and gas).