Did you know that leaving a plastic water bottle in the sun could start a fire? The sun's rays shining through a bottle can act as a lens that can become so intense that the beam can burn combustible materials. If you have a bottle sitting in your car right now, or you just remembered you left one outside earlier, don't panic. A lot of factors come into play before a fire can start. Read more at the link in bio. #summer #sun #heat #plasticbottle