Every year Medellin offers a wonderful Christmas lights show along the river. Hundreds of thousands of locals and visitors walk along the river on the east side while drivers cause huge traffic jams by slowing down to admire the show on the west side.
If you're visiting Medellin during the Christmas season include a walk along the river to admire the lights. There are also street shows and many food stands selling fast foods.
Other areas where you can admire the beautiful Christmas lights are the La Playa street in the downtown area from Pablo Tobon Uribe Theater to Junin Avenue.