Thousands of revellers gathered at Stonehenge in Wiltshire on Sunday morning to welcome the sunrise on the winter solstice - the shortest day of the year.Wearing Celtic clothing and ...

Helen BriggsBBC environment correspondent andGwyndaf HughesScience videographerBBCThe Druids Oak is the oldest living tree in this woodland in Buckinghamshire Dr Ed Pyne snips a leaf from the Druids Oak, ...