Here are five facts about the winter solstice:
NewsFive things you need to know about today's winter solsticeBy The NewsroomPublished 21st Dec 2016, 07:13 BSTUpdated 29th Dec 2016, 14:12 BST People gather at Stonehenge in Wiltshire to witness the sunrise on the shortest day of the year. Pic: PA.Today marks the winter solstice - the shortest day in the northern hemisphere.Here are five facts about the winter solstice: