Close but no cigar

You see this quite a bit nowadays, some one has had a BBQ out in the forest. Whoever it is has thought about the effects of the hot BBQ on the dry grass/earth, unfortunately, good as their idea appeared, it never really works. It shows willing though lack of experience/knowledge. The funny thing is when you see remains of this nature they're inevitably next to streams (that's the source of the stones), and the perfect safe place for a BBQ or small fire* is on a area of exposed gravelly stream bed. Another things is, although maybe not so important in light of the heat of a BBQ, is the type of stones commonly found in the forest are usually silica based flints and cherts which will explode if exposed to prolonged or intense heat, sending razor shards flying in all directions. Still, close but no cigar. And hey, it may be part of someone’s learning journey, and we all had to learn. 

*fires are forbidden in the forest, as too few people know sufficient bushcraft skills to undertake, what should be, rudimentary human activities. It's not really peoples problem, it a societal one, on the whole folk are disenfranchised from those aspects of human behaviour and the natural environment, and as a consequence are rarely socialized or educated as to how to be part of nature...rather than an alien in it.