Ok, this may spark controversy. My favorite thing! Could…

Ok, this may spark controversy. My favorite thing!
Could someone show me the curvature in this shot? I'll wait here. Remember when you answer that water always seeks level in it's container.
There are no dumb answers, only cognitive dissonance. I did this experiment at the beach and now from a ship in the Gulf of America. Both were flat as long as the eye can see.