Cake (firework) been blown off by the discharging stars). In a traditional cake, all the candles point upwards; a variant is called the "fan" or "angle" cake. Cakes are one of the most popular types of firework, as they can create spectacular and long-lasting effects from a single ignition while minimising safety concern. In the UK, the reclassification of aerial shells to Category 4 has popularised cakes as a method for achieving similar effects while staying within safety guidelines, particularly by firing multiple candles at the same time. Cakes vary greatly in size, weight and duration. Some last only a few seconds
Crown Fountain their attention. "Crown Fountain" has more interactivity than other Chicago fountains, such as "Buckingham Fountain" and Lorado Taft's "Fountain of the Great Lakes" and "Fountain of Time" (all but the last are in Grant Park). These other Chicago fountains are traditional in that they discourage viewer touching; "Buckingham Fountain" is surrounded by a fence, and Taft's fountains are surrounded by moats. In contrast, "Crown Fountain" provides an open invitation to play in the fountain's water. "U.S. News & World Report" describes the fountain as an exemplary feature of the city's numerous urban parks. "Chicago Tribune" architecture critic Blair Kamin, who