This year has seen the full scale introduction of LED (light-emitting diode) lights into our holiday decorations. They use far less power and thus give off lower heat than standard holiday bulbs. This has allowed designers new flexibility in creating light sets. This set of layered globes looks more appropriate for a summer time deck party than the holidays. Canon Rebel XTi, 1/60 sec @ f/3.2, ISO 400, 50mm macro lens.