I am posting this because sometimes we just need to be reminded of safety issues.
Steel Wool Photographer Burns Down Historic 1920s Landmark - If you ever try your hand at light painting photography with burning steel wool, be extra careful with safety and legality. Just a few months after a photographer allegedly destroyed a historic shipwreck in California with his sparks, another steel wool photo shoot has burned down a historic 1920s building in a US national preserve.
Back on April 9th, 2016, a fire consumed the Monroe Station in south Florida’s Big Cypress National Preserve at around midnight. Firefighters responded to the scene, but they weren’t able to save the building before it completely burned to the ground.
read more at this link
http://petapixel.com/2016/05/09/steel-wool-photographer-burns-historic-1920s-building/