Why drone displays are replacing fireworks in some July 4th celebrations
In Salt Lake City, Utah, for example, last weekend's Independence Day celebration utilized drones over fireworks. The primary reason, according to the city's mayor, was an elevated fire risk and air quality concerns. The city of Boulder in nearby Colorado made the same choice, as did several cities in California and New Mexico -- all areas where wildfires are a concern.In addition to fire concerns, fireworks leave behind harmful chemicals (they're actually considered a pollutant), the debris can be a hazard to people!-->>…