In south Japan, Mie prefecture is rocking 7 million LED Christmas lights. Hence the awesome light tunnel above. "Illuminations" or Christmas light displays have been a big deal in Japan since the 1980s. But there's something a lot more contemplative about these lights compared to some of the spectacles in the U.S..
Thomas Edison was known for his wacky publicity stunts, but during the Christmas of 1880 he went for the sentimental rather than shock value. That year, instead of electrocuting an elephant, he brought us the first electric Christmas light display.
Tokyo's Shibuya train has a special installation for Christmas that uses its pedestrians' footsteps to generate electricit. A mat using piezoelectric gadgetry runs a LED display board and a small holiday lights display.