Outdoor lights

Outdoor lights symbolise the Christmas season.  Evolved from 17th c German tradition of lighting the tree with small candles. 1880 – 1st outdoor electric light display by Thomas Edison.  2 years later, his colleague, Edward Johnson made the 1st string of  lights, with 80 small bulbs.  Outdoor Christmas lights spark joy – & a competitive spirit to see who has the most elaborate display

Guessed the Word?         Series 52 (5/6)          pic: logan1126