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Looks great! Two things I found that help with pizza and bread baking, 1) let the dough rest 15 minutes or so after mixing the dry and wet ingredients and combining them, then do your kneading, but 5 minutes is usually enough. 2) weighing the flour(s) will help make your pizza consistent. The variation of humidity really can vary your results. Your pizza looks very good. I started using semolina just a little while ago. It does make a difference!