At just 206 metres (680 feet) above sea level, the Great Orme (below) might be thought of as rather a slight hill. But it looks as imposing as a far greater eminence, as it overlooks the seaside resort of Llandudno, on the north Welsh coast about a 4½-hour drive or train ride from London and just over an hour's drive and two hours by rail from Liverpool. It’s a limestone headland about two miles long and a mile wide where, back in the Bronze Age, copper was mined (but they only discovered the