 The 53 trees on the Pathway of Peace that year were lit with red and white bulbs.This was also the first year that the American Mining Congress, a coalition of coal industry mining companies, began providing the trees of the Pathway of Peace.In 1966, the 53 Christmas trees of the Pathway of Peace were alternatively lit in all green or all blue lights, and were arranged in an arc around the National Christmas Tree rather than lining the path to it.