To me, the Northern Lights seem like a perfect fit.<br /><br />Videos:<br />Second Doctor Title Sequence - Doctor Who - BBC<br />https://youtu.be/FFpuIqDKErk<br />(C) BBC<br /><br /><br />Brilliant Time-Lapse of Alaska’s Northern Lights<br />https://youtu.be/Vdb9IndsSXk<br />(c) Alexis Coram"<br />
