The greatest thing about lemons is their versatility. You can eat them, dress salads with them, make lemonade, treat diseases, clean with them, and, my personal favourite, make children grimace at the taste!
There is an additional use for lemons, though, and it involves camping! Believe it or not, a lemon should be one of the main articles to carry with you while camping. A lemon and nails, actually.
This weird combination seems illogical, but I kid you not, when the sun goes down and you have now light around you but that of the stars millions of miles away, those two articles will come in handy, for you can actually light a fire with them!
Again, I kid you not, for it is quite possible to do so, and here is the video to show you how!