Really? It's your picture.
No it isn't.
Prove that the sun's light isn't bouncing off of anything
If the sun was above we should see signs of it being illuminated from above. Just like the picture on your wiki has the close regions of the cloud clearly illuminated from above.
That is not the case with the picture of the OP.
And again, it can be done far more directly by measuring at sunset or sunrise, especially at high altitude which then allows one to note that the suns shadow is cast upwards as you can directly see it and the shadow it is casting.
that the rays are caused from curvature
I'm not saying the rays are caused by curvature.
I am merely saying the OP and other such instances show the sun goes below your position on Earth.
There are multiple explanations for what may be occuring, and you have nothing except some hand waiving assumption.
Not really.
There is one simple, rational explanation, and then there are your attempts to appeal to pure magic, i.e. hand waiving assumptions to try and prop up a failed model.
Ah, so there is no actual evidence that this is caused by a ball earth then.
No, this is part of strong evidence of a round Earth. The other key part is that the sun always remains above some point on Earth.
It works just fine with the ancient FE model which only had one time zone which the sun literally went below.
No one has been able to provide any rational alternative, just attempts which clearly don't work, and pure magic.