the shadows seem to be coming from different light sources.
there is only the sun and the sky. The rest of the light is indirectly.
seems your starting to get the hang of this, however keep everything constant, that plate is massive if that fork is normal sized, imagine trying to pick up that mug, you wouldn't be able to get your fingers in there unless it was the size of a jug. a lot of this picture seems "fake", its clear that you are trying to get a more realistic image, but i am sure you will get there in the end.
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