Goodness me, not something I'd ever have thought about, thanks OP!
I'm guilty of the magnifying mirror and crispy furniture - luckily my son saw the tiny plume of smoke from the sofa before it caught ... I'm very careful now.
There was a very serious fire in a block of flats next to West Hampstead Tube station a few years ago, the owner had glass beads in their balcony window that alighted - flames spread up the outside of the building and damaged flats above and below. Had tube and train lines closed, absolute chaos.
Family history of macular degeneration


to know it can happen.
