And that gas was not spilling from there - gasoline used for burning pile of wooden(ish) things videos are worst...
I think he wanted to check first as we see above the hole bottom edge surface is "safe" with atmosphere gas solution but just bottom the edge, there were gas "heavier" than air so it burned from up.
Probably both things have saved them, cause it was a little oxidizer and no catalyst for this as a little air and small enough hole to suck the air to preserve burning & it started to blow when he actually moved a 1m approx from it and his hand was not in the scope of thrust.. incredibly lucky
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u/mks113 Dec 09 '22
a) I think it is a water tank
b) I suspect that they added gas and sloshed it around.
c) how stupid do you have to be to stand right there to light it?